I accept that they compensate no shields for increased self healing.
I even accept that they have been top DPS for three expansions now.
What I don't accept is why they are exempt from vengeance and instead are given base damages far superior to any other tank class in the game.
Why is it that a DK can PVP as blood spec and annihilate people because his damage output is high and he barely takes damage. Is that the intent? Is it the "hero class" excuse again used to make someone inherently better than any other class?