Ok, so you gave a good reason for China to ban US companies and you haven't given a good one for why the US shouldn't ban TikTok.

China never claimed that they value freedom, (whatever you define as freedom). They value harmony instead, (whatever you define as harmony).

By US banning TikTok, US is acting against claimed values, turning out to be hypocrite. China, by banning US social media, doesn't. Might be seen unfair, but it is a dead end that US painted itself into.

For the sake of argument, _if_ we agree that banning is OK, EU should ban social media from both, and subsidize their own the same way as US subsidized theirs.

Why do people have this delusion that empowering oppressive governments promotes freedom in any way?

It is not about "empowering oppressive government".

It is being true to what I claim that I'm, what my values are. If I start playing opportunist, how I'm better that the other guy?

If the EU considers America an adversary (perhaps they should), they would be wise to ban all American social media.