The other problem is the moderators themselves. Each subreddit has its own volunteer moderators. It's a thankless job, so who volunteers to do it? Frequently people who shouldn't have that power. So many subs have terrible mods who abuse their power.
"... It is a well-known fact that those people who most want to rule people are, ipso facto, those least suited to do it. To summarize the summary: anyone who is capable of getting themselves made President should on no account be allowed to do the job."