Reddit has some similar troll problems, and there are a bunch of bots people have written to manipulate subreddits to nuke trolls. It's a much easier problem fo

Reddit has some similar troll problems, and there are a bunch of bots people have written to manipulate subreddits to nuke trolls. It's a much easier problem for them, though, because Reddit itself is centralized. So a bot action takes place immediately instead of over many hours. The first time I can recall anyone tried widespread cancels in Usenet was Clarinet, and it didn't work very well.