1. China doesn’t play with the same rules, and it has been proven to be a malicious player
2. They don’t allow western companies to operate freely in their country, why should we let them to?
3. The US and to a lesser degree Europe, are in a de-facto new Cold War, and informational warefare is big part of it
You can view either on the reciprocity Point of view, or data-safety point Of view, the US would be foolish/dumb to allow TikTok to flourish in the US., while American companies just can’t in China.
Now, if the US was banning an app from another western country, that would be a true scandal.
In this case they are doing the right thinks