For years, Microsoft trained investors to think of cloud computing as one of capitalism’s more elegant machines. Build the platform, fill the data centers, sell recurring access, and watch software economics spread across an enormous customer base. It was not effortless, but it looked wonderfully scalable. Each additional workload could ride on infrastructure Microsoft had already built, while subscription revenue arrived with the dependable rhythm of a direct debit nobody in accounting wanted to cancel. Then artificial intelligence showed up carrying a shopping list. The list included graphics processors, central processing units, custom silicon, networking equipment, cooling systems, power contracts, land, concrete, backup generators, fiber, and data centers large enough to make an airport terminal feel intimate. Suddenly, the cloud business that investors loved for its software-like margins began consuming capital with the appetite of a heavy industrial project. I do not view this a...