In 2008, the warning of the subprime mortgage crisis "made a name" for itself, and star hedge fund manager Einhorn warned that AI investments would result in "huge" capital losses

David Einhorn, the fund manager who gained fame for accurately warning about the 2008 subprime mortgage crisis, has cautioned that while artificial intelligence technology itself may be transformative, the current unprecedented investment boom in AI infrastructure could lead to "massive" capital destruction. On September 25, David Einhorn stated during a discussion at the New York Stock Exchange that although the long-term prospects for AI technology are promising, the total trillion-dollar investments in AI by companies like Apple, Meta, and OpenAI are excessively extreme and may not yield favorable results for businesses. Einhorn's cautious perspective extends beyond the AI sector to broader macroeconomic concerns. He pointed out that weak job growth and stagnant productivity may signal an impending economic recession. He also reiterated his long-standing concerns about structural issues in the market, believing that the market's operating mechanisms have fundamental flaws that are eroding the investment process itself. Tech Giants' AI Spending Raises Questions The scale of investment commitments by major tech companies in the AI sector is astonishing. As previously mentioned by Wall Street Insights, OpenAI's Sam Altman expressed hopes to invest "trillions of dollars" in infrastructure in the "not-too-distant future." Meta's Mark Zuckerberg also discussed spending hundreds of billions on data centers. Apple stated in February of this year that it plans to invest $500 billion domestically in the next four years. Einhorn does not deny that AI will ultimately surpass today's optimistic forecasts, but he questions whether the current scale of investment is reasonable: The numbers being mentioned are so extreme that it's really hard to comprehend them. He added that while many projects will be completed, investors may not see the returns they expect. He stated: While the returns won't be zero, there is a reasonable possibility that it could lead to massive capital losses in the future. Investor Who Accurately Predicted the Subprime Crisis David Einhorn's warnings are garnering market attention due to his impressive track record. As the founder of Greenlight Capital, he gained fame by accurately shorting Lehman Brothers on the eve of the 2008 global financial crisis. In 2007, Einhorn discovered serious issues in Lehman Brothers' balance sheet through in-depth research, particularly its excessive exposure to subprime mortgage-related assets. At a famous investment conference in May 2008, he publicly criticized Lehman's financial transparency and pointed out its inaccurate asset valuations and potential liquidity crisis. This move shook the market and was seen as an early warning signal of the impending subprime crisis. Four months later, Lehman Brothers filed for bankruptcy, triggering the global financial crisis, and Einhorn's forward-looking analysis was validated. By shorting Lehman and other high-risk financial stocks, Greenlight Capital achieved performance far superior to the industry average during the market collapse in 2008