@jasonkoebler In some communities, the moderation is tight. In many of the largest communities with "less defined" focus areas (like "BlackMagicFuckery" and "MadeMeSmile"), there's been a considerable quality degradation — the mods have given up.
This is not surprising, given the largest communities are lead by "power moderators", people who "moderate" a large number of subreddits for clout.