Big Tech’s AI spending is skyrocketing, with projections reaching $700 billion this year. Critics like Gary Marcus and Cory Doctorow label this an unsustainable “capital misallocation.” Doctorow’s new book explores a post-AI world, questioning the current AI bubble driven by investor hopes of mass worker replacement. He argues AI’s escalating costs, unlike the dot-com era, signal an inevitable bubble burst, after which viable AI applications will emerge.