Originally Posted by
mrgreenthump
That's great and all, but we aren't talking about Warlocks. He would gain around 25% dps with proper legendaries and completing the 4 set. So taking a boss like Sisters, where player skill has little effect, would put his itemlevel dps to around 70 percentile, while not awesome, it's perfectly acceptable when comparing to the rest of the raid.
And yes, he isn't playing well, but the whole raid is quite a bit below average, so I was just pointing out the obvious reasons.