Put simply, as IBM CEO Arvind Krishna told The Verge‘s editor-in-chief Nilay Patel during a recent episode of the “Decoder” podcast, the math isn’t adding up. It’s a striking display of skepticism, highlighting a growing unease among executives that the enormous AI spending spree may not be sustainable, let alone rational, in the long run. Interestingly, IBM is using the topic of an AI bubble as a litmus test for new hires. Krishna described Altman’s drive to achieve AGI as chasing a “belief.”“Nilay, I will be clear,” Krishna told Patel. “Even then, I’m a maybe.”More on the AI bubble: AI Investors Furious at Suggestion That There’s an AI Bubble