I don't get your analogy. Someone starting a community doesn't impact me at all because I don't have to ever see it. Someone trolling in comments is annoying, so I just report and block them and don't see it anymore.

So it's more like a channel existing on my TV that I absolutely hate, so I just don't ever watch that channel.

I never saw that person's posts, and the only reason I even knew about it was this thread, and within a day it was gone. It's the definition of non-news. Things like this are annoying for a day or so, and then the community takes care of it and it's done.

So it seems like this person achieved their goal of riling people up. Instead of making drama, just report, block, and move on.