Quote Originally Posted by Duelle View Post
And then you create a situation where classes are kicked to the curb for not meeting whatever arbitrary requirements are set by the encounter design or players themselves.

It'd be one thing if we were talking strictly gameplay with the same results between classes. That actually works at keeping everyone viable while providing different play styles. As an extreme example, if I hit Shield Oath to mitigate 20% damage as a PLD, a new job might need to stack temporary buffs from combo abilities in order to meet that level of mitigation. So a super l337 haxx0r guy can play the new class and a lolcasul like me can play PLD, and both of us are viable choices for a tank.
Differing playstyles such as...?