Was told the 'You're really doing it wrong' achievement would be applied retrospectively to those who earned it in MoP prior to it making it into the game in WoD. Spent a lot of time learning how to tank as a demo lock and gearing for gold to be one of the first people to get it and they never bothered b/c they said it was too much work. Still enjoyed the challenge though so not too salty. Could never be arsed going for it again so I didn't get the achievement in the end.