Not everyone on HN is a U.S. national. Many are Chinese nationals. So the discussion here has conflict of interest depending on one’s allegiance
> no good answer on why its bad for a company that is supposedly under Chineese influence to collect this kind of information on us,
In the context of a discussion on a US-specific ban on TikTok I'm taking the "us" in OP's post to mean people in the US. If you aren't in the US the ban doesn't apply to you so the discussion is irrelevant.
So a US court should make decisions not in the US interest because people in other countries use some software?
HN is literally banned in China [1][2]. And since VPNs are also illegal in China, they're breaking the law if they are here. I doubt they'd break the law if they had such a strong allegiance to China.
[1]: https://www.chinafirewalltest.com/?siteurl=news.ycombinator....
[2]: https://en.greatfire.org/news.ycombinator.com