Well that is a similar line of reasoning that has been applied to ISPs that deliver internet itself, and I think music publishers took that line when suing ISPs

Well that is a similar line of reasoning that has been applied to ISPs that deliver internet itself, and I think music publishers took that line when suing ISPs for facilitating piracy. I think all forums and UGC platforms deal with this in their own way. (like Reddit, they mostly let each subreddit have their own mods that decide what content and topics they want to allow.) In Twitter's case, I am skeptical of the end game with their current approach, where the loudest in the room tends to stand out.