So it does not censor the sort of thing that reasonable people do want censored on their social media, and does censor the sort of things that people don't want arbitrarily censored.

And in exchange for that, you get to deal with inconvenient access.

Yeah, of course it's shunned. Based on what you've said, it doesn't represent any kind of practical improvement over the status quo, so the question of whether or not it's associated with / frequented by distasteful people doesn't even factor into this.