Everyone wants to do more damage, because it gets you clears, and is used as an indirect metric of your skill as a player.

When you ask for a job to unilaterally do more damage than all the others based on the anecdotal claim that it is 'more difficult to play than the others', it's well worth remembering that you're also implying that the job in question is too difficult for you. When sufficiently many people point out the difficulty of a job, then it gets simplified. We've already seen several examples this very expansion.