Walmart Spent a Decade and Billions Teaching Robots to Empty a Cardboard Box. The Box Was an Inch and a Half Too Tall, the Power Bill Tripled, and the Dog Food Still Needs a Human
About This Episode
The Wall Street Journal reported Friday that Walmart's multibillion-dollar, decade-long effort to automate roughly 200 U.S. warehouses is mired in physical-world problems: its twenty-year-old cardboard box is too tall for the machines, Symbotic's robots stop for dust, robotic arms fumbled frozen turkeys before Thanksgiving, and electricity at automated grocery warehouses runs up to $800,000 a month against $250,000 when humans did the work. Walmart's supply-chain chief Rob Montgomery calls it 'peak complexity' and says the company will build anyway because waiting for perfect would take too long; executives say the 140,000 warehouse workers won't be laid off because turnover does the job for them.
Our Take
The country's biggest private employer is finding out that a robot has to beat a person on cost and reliability before it replaces one, and Walmart's spreadsheet says the machines have not won yet — so the jobs are leaving through turnover while the bill for the buildout arrives first.
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The Substitution Threshold: When You Stop Being the Cheapest Option
The threshold is crossed when the cheapest reliable provider is no longer human, one warehouse at a time — and Walmart's own numbers show its robots are neither cheapest (tripled power bills, pricier engineers) nor reliable (dust, turkeys, dog food) yet, while the company builds anyway.
The Abundance J-Curve: Why Cheap Later Means Expensive Now
The buildout's bill arrives before its payoff: Walmart's automated warehouses cost more to power, staff and supply today in exchange for a cheaper flow later, which is the J-curve drawn at the scale of one company.