Earlier quoted context omitted.
Reddit has a large user base and a myriad of subreddits where different solutions have been tried. So far, the best I've seen is strong moderation: clear rules and swift enforcement. AskScience is a shining example of a high quality subreddit, although the comment section usually looks like a graveyard with 90% of the comments removed.
I'd like to see moderation decoupled from the forum namespace. So you'd subscribe to a forum namespace in order to see posts about a topic (say, AskScience), but you would then also subscribe to whichever moderators you want. The moderation wouldn't be inextricably tied to the namespace. Anybody can post anything in any namespace (and anybody can declare themselves a moderator of any namespace), but people will only…
Maybe it's time to remake Usenet, minus binaries. Binaries, piracy, and their data load per server are what killed Usenet.
(Yes, I know it's still living on in paid-service world. But gone are the days your ISP runs a machine.)