You'll always find someone claiming X or Y are close to collapse at any given time. As even a broken clock is right twice a day, eventually one of these predictions will randomly be proven correct. That person will then be elevated to a genius forecaster and rake in cash for a decade or two.
Thiel said around last autumn that AI is a bubble and exited Nvidia. Nvidia is now falling despite good earnings.
If OpenAI keeps getting circular financing, of course they will not collapse yet.
Actually it is the other way around; every upstart claims that their invention is the mostest revolutionariest thing ever. 99.9% of them are not. The nay sayers are right most of the time.
Recent high-profile examples include Segway, NFT, Crypto as a whole, pre-tranformers voice assistants and various "Design Thinking" projects like those Amazon prime buttons.