I'm not sure that barring disgusting speech is "necessary," if only because "necessary" can be such a loaded word.
reddit, for example, seems to have a principle of free speech, where there only a very specific things you are not allowed to say board-wide. So there is a fair amount of disgusting speech there. It seems to work for them -- although I have been slowly disengaging from it over the past year or two, and maybe that's part of the reason.
Yes, they do, and the admins support lots of freedom and experimentation for the subreddit moderation policies. (Although there are "default" subreddits that are a little weird.)
The sitewide bans, to my recollection, are of only two things (besides that which is illegal): sexualized pictures of children, and doxxing.
I'm not sure that barring disgusting speech is "necessary," if only because "necessary" can be such a loaded word.
reddit, for example, seems to have a principle of free speech, where there only a very specific things you are not allowed to say board-wide. So there is a fair amount of disgusting speech there. It seems to work for them -- although I have been slowly disengaging from it over the past year or two, and maybe that's part of the reason.