But that's the foundation.
And there is a plateau in real money spent on AI chips.
You're ignoring a whole group of economic and finance professionals as well as - if you're inclined to listen to their voices more - Sama calling it a bubble.
If not for AI spending, the US already would be in a recession.
So your argument might sound nice and practical from a purely scientific perspective or the narrow use case of AI coding support, but it's entirely detached from reality.