The moderator of that community came to that conclusion. You could try messaging them.

4. Lemmy.world isn't really, but notice how I'm not signed up there?

Edit:I guess you aren't either. But the point is communities still have mods (and admins of the host instance) but if you're not happy with how they run things you can make your own community (or even instance) and we'll still be able to see it and interact.