There's plenty of new evidence showing that China does engage in so-call "Sharp power"
https://foreignpolicy.com/2017/12/21/one-of-americas-biggest...
I think the proper policy is that HN users should upvote the sidetrack if they find that to be most interesting, and upvote the normal topic if they believe otherwise.
I'm sure admins can take a look into both Russian, Chinese, or even corporate influencers, and find ways to scale down their impact, which the admins should. If they're real opinions of a 1:1 person, then that's fair.