> There are valid criticism to be discussed about China's actions and how much Zoom should be trusted given its close relation

Yes, and that's why comments about it should be thoughtful and substantive—not drive-by flamebait leading to useless flamewars about NATO and Winnie the Pooh.

> There's been many criticism of the US government here and I never see anything flagged or removed

That happens often. If you never see it, that's because of a cognitive bias: we notice and weight more strongly—that is, we see—what we dislike. https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que.... People on the opposite side of this question have exactly the opposite complaint.