Let's assume that your threats are real and not fantasy and reflect on what would happen to the United States and the consequences.

Would anyone wage direct war by forming a coalition against the United States? I don't think so

Would the UN sanction the United States, given that the currency used throughout the world, at least in the coming years, is the dollar? I don't think so

The UN was against the United States' military action against Afghanistan, and what was against the United States...

Regarding the approach of billionaires from the technology sector, I believe it is to influence the government to create protectionist barriers against China using American state power, as this is a much safer way of acting for them