Honest question: If every player/class/job is equal,who is unique? (Gameplay topic)

[Scootaloo]

Having skills that are too unique and powerful will cause a mindset where certain classes are left out of fights altogether.

And that's a bad thing? And it also boils down to situations and preference as well. So what if someone prefers the WAR to the PLD for one type of fight? There are plenty of other battles that they can bring they're PLD into that they'll be of use for. In a game where grinding to level 50 is as easy as breathing, I hardly find it that bad to give classes a more unique skill set that makes them more useful in one fight to another class. If the player can't take about 1 hour out of each day to grind about 5-10 levels for the job they wanna run the place in, then that's their fault, not the player's or the game's design.