No, nobody mentioned anything about using 2 hours. I say the game mechanics favor shorter battles because of AoE-more-HP-than-most-people-have TP moves, job recasts of several minutes+, or difficulty of melee to TP on mobs once their initial damage reduction buffs wear. Those don't have to include 2 hours. In fact most zergs are moving away from 2 hour use largely because you can't spam 2hr fights back to back without an army of COR, and because 2 hours have not increased enough in potency from our rise in level cap at 75 to remain useful or relevant any more. There are normal 5 min JAs that are more powerful than a number of 2 hours.