I don't believe I said anything about AF :p
I'm talking about cases where people clearly didn't keep up with their gear on the way to 50, but then try to jump straight into end-game content because there's no indication of difficulty and nothing to prevent them from joining something they aren't prepared for which only hurts the people they get grouped with. Unless you ask around or go look it up there's nothing to tell you what order you should be doing the dungeons in.
As long as the restrictions are reasonable and you can still enter a dungeon manually without issue I think a gear check is a good thing for a medium that lumps you together with strangers.
