Even when the healer/tank are amazing and singlehandedly carry us through the fight, I commend highest DPS or nobody 9 times out of 10 (unless they were all terribad), because chances are that healer or tank is getting 6 other commendations.
I honestly figure if you ever get 6 commendations on DPS, it's probably a 6-person queue DFing the last 2 slots and you were the less retarded of the two, or it was a 7-person and one just didn't commend anyone.
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