Critoful, no admin on here think's it's funny to have a server full of trolls, AFKs, and retards. However, I have been on when you're calling people trolls, and they were not. They were just noobs that weren't playing how you wanted them to. You seem to call EVERYONE that doesn't play how you want them to trolls. You seem overly paranoid that everyone in this game is purposefully trolling you.
You can't just hand out admin/mod privs like candy, as doing so can make things much worse. When you have an admin that can't act maturely, that can empty the server much more so than a few trolls. The server should be doing something with long time AFKs. I don't know why it isn't and I know that it is certainly annoying. It is possible that some of these folks are actually trolls and moving just a little bit so that the server doesn't think they're AFK as well. If that is the case, take a demo of them doing it and post it on the forum.