The latter paid a "hybrid penalty tax" if Aoc Gold you will. Therefore, if we had not made any other changes, we figured the result would be just enough classes to bring the buffs, and then stacking the rest of the raid with very high DPS classes like rouges. No offense to the Rogues, but we didn't want to see every raids with 10 Rogues. In short, we are no longer using the "hybrid penalty tax" design philosophy and we want everyone doing DPS to DPS a lot closer to each other.