In a way this is brilliant from ByteDance. Sell for the most money to a company that will never grow or operate tiktok in a way that can threaten you outside the US.
What was the most visible outcome of Microsoft's takeover of GitHub? Some software engineers who happen to live in a wrong peninsula in Europe had their GitHub accounts shutdown with no advance notice and no recourse. So much for the rule of law and for social coding!
I think it's great that people from all over the world have a choice of who to give their data to. If there'd be a worldwide antitrust body, US would already be in trouble! Remember when China blocked Twitter and whatever else? Yeah, aren't we the China now?!