Michael Burry, known for his prescient 2008 housing crash bet, launched a Substack after closing Scion Asset Management, warning that the current AI investment wave resembles the dot-com bubble. He cautioned investors about unsustainable valuations and speculative excess in AI-related stocks. His comments contribute to widening investor debate over whether AI innovation justifies current market exuberance. The post underscores tensions between technological optimism and financial discipline.