It's more than just damage too though. A lot of ogcds for classes are beyond over powered for lower level dungeons that aren't potency based. As someone said earlier Triple Cast for BLM. It doesn't matter how far down you scale Flare's damage, a Triple Cast Flare is still going to demolish anything an appropriate leveled BLM can pull off. Why would you want to deal with the new lvl 25 Gladiator in Toto-Rak when you could just bring in a lvl 70 PLD who has access to Clemency, Bulwark, Hallowed Ground, Circle of Scorn, Total Eclipse, Shield Oath, Sheltron, Holy Spirit, Passage of Arms, Cover, in addition to a full combo kit? Or why would you bring the lvl 25 Conjurer when you could just bring the lvl 70 WHM who has Benediction, Divine Benison, Tetra, Assize, Asylum, Holy, Thin Air, and Presence of Mind. How do you balance that? How do you prevent people from completely alienating new players?