Note: This is a research note supplementing the book Unscarcity, now available for purchase. These notes expand on concepts from the main text. Start here or get the book.

Who Owns the Abundance Stack?

Or: What Happens When a Single Firm Owns the Energy, the Chips, the Robots, and the Rockets

On Tesla’s Q2 2026 earnings call, an analyst asked Elon Musk the obvious question: what would combining Tesla and SpaceX actually be worth? Musk did the corporate two-step. “We can’t talk about combining companies on an earnings call,” he said. “It’s got to be done with the appropriate process.” Then, in the same breath, he told on himself: “There’s more and more overlap, especially with Terafab.”

Terafab is the tell. It’s the semiconductor megafab Musk is building in Austin, a joint SpaceX-and-Tesla effort aimed at one terawatt of computing capacity a year, and Musk admitted Tesla “will be constrained in our ability to scale Optimus production” without it. The chips that will run Tesla’s humanoid robots get fabricated in a plant half-owned by his rocket company. Read the rest of the ledger and the picture sharpens: Tesla ships batteries to SpaceX, SpaceX builds Starlink into Tesla vehicles, and roughly $750 million of Tesla’s $1.1 billion quarterly profit came not from selling cars but from a mark-to-market gain on the SpaceX stake Tesla bought earlier this year. Tesla’s income statement already runs partly on SpaceX’s valuation.

This is not two companies that trade with each other. It’s one organism wearing two corporate costumes, and the earnings-call dodge was really an announcement: the costumes are getting expensive to maintain.

The Whole Stack, Under One Roof

Step back from the merger gossip and look at what Musk’s constellation of firms actually assembles. Line the pieces up and they are not a random empire. They are, layer by layer, the entire supply chain of an abundance economy.

Energy. Tesla’s Megapack storage business grew revenue 44% year over year and is now scaling on data-center demand: the batteries that firm up the grid the rest of the stack runs on.
Compute. Dojo and the in-house AI5 chip (taped out this spring, headed for AI6), plus Terafab to fabricate the silicon at terawatt scale.
Intelligence. xAI’s Grok models, which SpaceX absorbed in February 2026 in a roughly $1.25 trillion combination, with X folded in earlier for data and distribution.
Bodies. Optimus, the humanoid robot Tesla wants to sell under $30,000, built on Tesla’s own chips, software, and manufacturing.
Launch and logistics. SpaceX and Starship: the cheapest path off the planet and, via Starlink, the connective tissue between everything else.

Energy, compute, intelligence, robots, transport. That list is not Musk’s business plan. It’s the table of contents of the machinery that ends scarcity, the same stack this site keeps circling one layer at a time. We wrote about owning the reactor to own the compute at the energy layer, about the builders of compute becoming its landlords one layer up, about robots that build the energy machines one layer down. Musk’s move is to stop treating these as separate layers and own the column.

The Flywheel Is Real (And That’s the Problem)

The easy critique is that this is ego: a billionaire collecting companies the way other billionaires collect islands. The harder truth is that the integration works.

Vertical integration is one of the oldest tricks in industrial capitalism, and it wins for an unglamorous reason: when you own the next link in the chain, you delete the markup, the negotiation, and the wait. Terafab means Tesla never has to bid against Apple for TSMC’s capacity to get chips for Optimus. Owning the battery line means SpaceX never gets held up on cells. Each owned layer lowers the cost and shortens the lead time of the layer above it, and because these particular layers all feed each other (cheaper energy makes cheaper compute makes better robots that build cheaper energy), the savings compound instead of just adding up.

That compounding is exactly what the book means by the abundance flywheel, and it is genuinely good news for anyone who wants the cost of physical goods to fall toward zero. A fragmented supply chain, where a robot company haggles with a separate chip company that haggles with a separate energy company, leaves margin and delay at every handoff. A single integrated firm can drive the whole stack down its cost curve faster than the market can. If your goal is abundance (more stuff, cheaper, sooner), vertical integration of the abundance stack may be the fastest engine ever built for it.

Which is precisely why it’s dangerous. The thing that makes the flywheel efficient is the same thing that makes it a monopoly: one owner, capturing the compounding surplus of every layer at once.

We Have Seen This Movie: 1870–1911

None of this is new. It rhymes almost exactly with the last time a single operator tried to own an entire strategic supply chain.

John D. Rockefeller built Standard Oil from 1870 by buying up not just refineries but the barrels, the railcars, the pipelines, and the chemicals, until a competitor couldn’t move a gallon of oil without paying a toll to Rockefeller somewhere along the line. Andrew Carnegie did the same with steel, owning the ore, the coal, the ships, and the mills. Henry Ford’s River Rouge plant swallowed iron and rubber at one end and pushed finished cars out the other. In every case the integration delivered what its defenders promised: lower prices, stunning output, real progress. And in every case it concentrated the resulting power so completely that the country eventually decided no private person should hold it. Standard Oil controlled roughly 90% of American refining before the Supreme Court broke it into 34 pieces in 1911.

The antitrust lawyers have a term for the mechanism that makes vertical integration turn predatory: foreclosure. Once you own an input everyone needs, you can quietly deny it to rivals or price it so they can’t compete. Terafab is a foreclosure engine waiting to happen. If the world’s cheapest chips at terawatt scale come out of a fab owned by one robotics-and-rockets conglomerate, every other robot maker builds on rented land, or doesn’t build at all.

The lesson of 1911 isn’t that integration is evil. It’s that the efficiency and the danger are not two separate things you can sort out later. They’re the same fact, viewed from two sides.

Why “Break It Up” Is the Wrong Reflex

Here’s where this note has to argue with the ghost of Thurman Arnold. The reflexive progressive answer to a firm owning the whole abundance stack is the 1911 answer: sue it, split it, restore competition. Sanders-style proposals to force AI giants public, which we examine in Shareholders vs. Abundance, come from the same instinct: dilute the concentration.

But breakup is a scarcity-era tool, and it has a cost the trustbusters of 1911 never had to weigh. Standard Oil’s pieces still pumped the same oil; fragmenting it mostly rearranged who profited. Fragmenting an abundance stack is different, because the whole point of integration here is that the layers make each other cheaper. Force the chip fab, the robot line, the battery plant, and the energy business into separate companies bidding against each other, and you don’t just redistribute the surplus; you slow the flywheel that was driving costs toward zero in the first place. You can win the fairness argument and lose the abundance.

So the book refuses the binary. The problem was never that someone assembled the stack. Assembling it is the achievement: the fastest route to the world where a humanoid robot and a kilowatt-hour both cost almost nothing. The problem is that under current rules, one cap table pockets the entire compounding surplus of civilization’s most important machine. Musk owns about 42% of SpaceX and 13% of Tesla; merge them and he personally steers a roughly $3.4 trillion column that reaches from the power grid to low Earth orbit. The stack should exist. The question the twentieth century never had to answer is who gets to own its output.

The Book’s Answer: Socialize the Surplus, Not the Stack

Unscarcity argues that abundance is not decided by whether we build the machine. It’s decided by who owns what the machine produces. An integrated abundance stack owned by one shareholder is not a post-scarcity economy. It’s the scarcity economy with better robots, where the price of everything can still be set by whoever holds the column.

The framework’s move is to separate the machine from the rent. Keep the integration efficiencies; change who captures the compounding surplus they throw off. That’s the job of the book’s transition mechanisms:

The Foundation guarantees the outputs of the abundance stack (energy, compute, housing, goods) as an unconditional floor, so integration efficiency shows up as everyone’s lower cost of living rather than one balance sheet’s higher margin.
Transition Trusts route the concentrated fortunes built on that stack into public infrastructure, converting a private moat into a commons without dynamiting the plant that fills it.
Predistribution, structuring ownership of the stack before the concentration hardens (the theme running through Land Tax Funds Abundance), is the difference between sharing the surplus by design and clawing it back by lawsuit.

This is the same question the site has been asking one layer at a time, finally posed for the whole column. Commoditization showed the value migrating to whoever controls the scarce complement. Energy sovereignty showed the reactor becoming the prize. Vertical integration is what happens when a single owner decides to hold every scarce complement at once, and it forces the book’s central fork into the open. When one firm owns the machinery of abundance, is that abundance a commons, delivered on by default like the Free Zones deliver housing? Or is it the most valuable private product in history, metered by whoever holds the cap table?

Musk building the stack is not the villain of this story. Somebody was always going to assemble it, and doing it faster genuinely pulls the abundance future closer. But an integrated abundance economy owned by one man is a stress test the book was written for. The engine is being built. The only question left is whether the rest of us are shareholders in it, or just customers of it.

References

Elon Musk hints at Tesla-SpaceX merger on earnings call — Electrek, Q2 2026 call
SpaceX and Tesla “can’t talk about” a merge in earnings call, Musk says — Forbes
Musk wants to merge SpaceX and Tesla — a $3.4 trillion empire — 24/7 Wall St.
SpaceX absorbs xAI: the $1.25T combination — corporate structure, February 2026
Tesla plans over $25B in capital spend for robotics, chips and AI — WardsAuto
Tesla’s AI5 chip tapes out, paving the road to robotaxis and Optimus — Windows News
Elon Musk becomes the world’s first trillionaire — Forbes, June 2026
Vertical integration in US history: Standard Oil and the 1911 breakup — LegalClarity
Unscarcity, Chapter 1 (The Foundation), Chapter 8 (The Transition), Chapter 9 (The Enterprise EXIT)

Rockefeller owned the oil, the barrels, and the railcars. The modern version owns the energy, the chips, the robots, and the rockets — the machine that makes everything else. Debate who should own the abundance stack at unscarcity.ai/forum.

The Abundance Stack: When One Firm Owns Everything