Hedge fund luminary David Einhorn has raised a red flag, cautioning that, while artificial intelligence (AI) stands as a revolutionary force, the current wave of spending on AI infrastructure is reaching unprecedented and potentially reckless levels, which could lead to substantial capital write-downs. The visionary founder of Greenlight Capital highlighted that the colossal investments, amounting to trillions of dollars, from tech giants like Apple, Meta, and OpenAI, are excessively aggressive, given the high degree of uncertainty surrounding the eventual returns on these investments. Despite his belief that AI will eventually outperform even the most optimistic projections, Einhorn casts doubt on whether the staggering annual investments, ranging from $500 billion to $1 trillion, will ultimately deliver favorable returns for the investing companies.