A key difference is that twitter has (had) users, and users can move to e.g. bluesky once twitter's CEO decides to wreck it. The US has citizens instead, not users, not customers, but citizens, and citizens can't move if they don't like what Elon is doing. There is no Bluesky equivalent of the USA, and citizenship is not a free market.
A country is not a private company in a free market. For some this is hard to understand.
A country is not a private company in a free market. For some this is hard to understand.