On the astroturfing point, anyone who wants more explanation can find reams of it here: https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme.... In particular, here's a recent detailed explanation:
https://news.ycombinator.com/item?id=19485935
And here's a recent thread which clearly demonstrates why we have this rule:
https://news.ycombinator.com/item?id=19401961
Finally, please don't use the tired trope of "whataboutism" on HN. Clichés like that contain no information, and this one is merely a rhetorical device to exclude something the speaker dislikes. If somebody brings up a point which you don't think is relevant, explain why in specific terms, not by calling generic names.