Originally Posted by
Snikeren
The thing is, people might look at this as the only option they have for beating Anub, and Blizzard don't want people to bring 5 paladins to the raid just because of one boss (although it is one of the toughest so far).
Raid composition should be completely random, and yet should they be able to kill the boss, as long as they have the skills and the gear (and of course the proper talents for their respective role). Blizzard didn't intend using Holy Wrath as THE way of killing the boss, and therefore preventing people from thinking so.