"I do believe in the concept of maintaining blacklists against well known cheaters, spammers and other evil doers, and anonymizing names makes you unable to dis

"I do believe in the concept of maintaining blacklists against well known cheaters, spammers and other evil doers, and anonymizing names makes you unable to discriminate people by level-of-assholiness ;)" If there was a protocol\industry agreed standard for doing hashing of names on applications, then you could still do this.