I think you're mistaking "educated" for "similar". The community don't necessarily have to be educated, but it helps a lot if they're broadly similar in some wa

I think you're mistaking "educated" for "similar". The community don't necessarily have to be educated, but it helps a lot if they're broadly similar in some way. Same background, same age, same goal, same education, same interests, something. (And lets be honest, the reason size is a problem is because beyond a certain point, you can't do human moderation).