Guys, maybe this cheater is really the hero we deserve. He's out there making a statement. He could have discovered the vulnerability, kept it quiet, used it only to grief people who annoyed him. But no, he found it and said "I'm going to make sure someone sees this". So he starts climbing the ladder, beating noobs and pros alike all to wave at MS from the #1 spot in the leader board. Guy's a god damn legend.
Oh boy I like this theory. He forcing us to talk about it, get a bad rating to the game, moving to other platforms ... maybe he is our hero.