No one is resisting discussion of abuse. We work against the abuse of Hacker News every day. When people raise concerns we look into it every time. The problem here is that you're inventing it out of whole cloth. What is the evidence? Some "pro-China comments" that "sound reasonable"? Someone expressing views you don't like is not evidence. People here have a wide range of backgrounds and therefore views.
In one sentence you project astroturfers out of purest imagination, and in the next are already talking about them as if they've been substantiated. That's the cheapest of internet cheap shots, it's poison to the community, and you can't post like this here.
General remark:
In the last few months this class of posts has migrated from "You're a Russian spy" and "how much did Putin pay you to post that" to "You're a Chinese shill". It's obviously the same phenomenon, and the fact that it swings so dramatically with political fashion already shows that this phenomenon is not factual, but mass-psychological.
There's an internet law that the probability of users accusing someone of astroturfing rises with the intensity with which they disagree with their view. I hope someone comes up with a pithy formulation and snappy name for it. Anyone?
We detached this subthread from https://news.ycombinator.com/item?id=18762617 and marked it off-topic.