He didn't fool anyone, he just seems to have caught them acting like hypocrites and made them either put up or shut up. If you want to enforce rules, you need to actually enforce the rules. If discussions of illegal things is against the rules that you made, then clearly an entire community built around illegal piracy is against the rules. Him pointing that out is a big-brain move that you would hope the admins would have gone "ah you got us. We'll change that rule to not be so restrictive", but instead they went "well shit, we'll remove it instead of changing our stupid rules".