FFXI's massive reentry timers coupled with obscenely low drop rates made a vast minority of the gaming population feel rewarded while the rest felt frustrated (I say this from the perspective of someone who actually did get just about everything for my jobs but watched as many, many others never did even though they were dedicated). You should never have to replay the same old content for 2+ years to gain a single drop.

That being said, I think there should at least be some kind of consumable entry requirement for content. It can act as a gil sink (Dynamis) which is something this game sorely needs anyway.