This is the current state of average top200 dps on Cata's answer of a Patchwerk fight.
As you can see every hybrid class have a specc capable of doing potential more damage than the potentiale best Warlock and Mage specc. So why even play a pure dps class if we dont have any benefits over other dps, or in this case actually is below?
Let me hear your opinions! And remember to keep discussion constructive