Why do you say that? TARP was extremely unpopular yet still happened.
Very few people know, or care, about AI companies in any way.
I guess the lesson multinationals learned from the 2008 financial crisis is that if you fail is better to fail really really really big.
Obviously there would be knock on effects of a major crash that are hard to predict, but people inside the AI bubble wildly overrate how invested most Americans are in their success.