What the fuck is with the arguing over the achievement?
Achievements are personal things, I've got the Halo 2 Vista achievement for beating the game on Legendary, this is a game where you can rename the intro files to basically make the unlock the game achievement basically unlock instantly, I have friends who did it, I don't care about that because I see the achievement was something I earned, the achievement is more about me earning it, I don't think less of someone for having 10 achievements, same way I don't care if someone has 1000.
Just focus on your own achievement, no one cares about it, you shouldn't care about others.