Too busy rolling hunters
As Golden states, most people don't know how to play a Priest well. Priests aren't healers; they are offensive support. People don't seem to get this. And because Alliance consists of 90% of real baddies, you won't really see a good Priest around. If there was one, he would shine and he would pick your attention faster, make others roll a Priest aswell (bc yes, they think they are as OP and want to pew pew as hard) and the amount of Priests will grow. This is what happens with Paladins, Rogues and Hunters though. The only difference being you don't need to be OP to pewpew.Priests at this level are not healers, they are hybrids.
They toss out a few bubbles and renews to buy some time to blow people up.
If you want to heal, roll an Hpal (Rsham looks as good for MoP). If you want to pewpew for those sweet KBs, roll priest.
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No matter what I do in game, people rage.
I hate priests in this bracket