Sam Altman addresses 'the most fair criticism' of AI

• Investors are increasingly worried about whether AI’s hefty costs will translate to revenue.
• An AI researcher recently called AI spending the “greatest capital misallocation in history.”

“Greatest capital misallocation in history,” Marcus wrote in a post on X, describing some companies’ AI capex plans and adding that Amazon, Google, Microsoft, and Meta collectively are spending more money than the Manhattan Project each month.