"If we don’t like China’s practices on surveillance and censorship we should stop adopting them back home."
https://freedom.press/issues/tiktok-ban-weakens-first-amendment/
The TikTok ban does not protect personal information: a strong privacy law would do that.
It does not weaken the civilizational stranglehold of corporate attention fiefdoms: investing in open protocols & nonprofit platforms would do that.
It creates the precedent that speech is only protected if it is mediated by US-based entities (typically US corporations).