Quote Originally Posted by Seraphor View Post
Because their skills will be overpowered.
Because they wont have a rotation or skills interacting with each other, they wont have burst windows or anything that would resemble a rotation, which means each skill has to stand on its own. Each skill has to work efficiently and in isolation.

If it were BLM, then it means Fire IV would have to work without Astral Fire, without Enochian, without Umbral Hearts.

Once you add all those isolated, full powered abilities together, you get a whole selection of Fire IVs, Ahk Morns, Trick Attacks, Carve and Splits, Flares, Holys, TBNs, The Balance, Earthly Stars, etc. that you can use without build up or prerequisite.
If they decide to go that route, sure. I don't think the skills can be quite that broken, even if they're only allowed in open world content, just for the sake of things like FATEs and hunts. Players still engage in those to a degree that a class one-shotting every mob in it with various Akh Morns would be detrimental to them. The only thing Yoshi gave as an example of "overpowered" was Lvl 5 Death, which isn't really related to potency or debuffs or whatever. Unrelated note: Would you be satisfied if Blue Mage was just a bunch of those overpowered moves of other classes with different animations that have with no real uniqueness? Doesn't sound fun to me, personally, at least not to the degree that I'd want to be locked out of the rest of the game.

I do think the design they are going with has limitations for other reasons, they've said MP is going to be a massive limiting factor, which hints that in the Carnival it's going to be less "use what spells you want to kill the mob" and more puzzle-like "find the right combination of skills within the MP limit", which makes me think people won't be able to bring it into nearly as much content they think they will.