Or just hope all the melees can have an AoE Combo rotation.
MNK has 2/3rds of one.
DRG has a short 2 step one.
NIN is in a weird spot for this... probably the least awkward feeling of the non-rotation melee AoEs.
SAM probably in the best spot for melee AoE.

If they wanted to go Flash > Total Eclipse > New Move for a rotation, and give something to follow up Overpower for WAR.
I'm not speculating on DRK/AST these days as I suspect the ShB is going to mess with them significantly.

And I'm on the faction for rotating combo buttons so we simply need finisher slots/usable slots for pretty much all classes. It's an easy way to bring down the hotbar bloat without too much pruning/combining, which will happen regardless, some skills are just unnecessary or dull, but I'd say on average most jobs will get back at least 3-5 slots on their bars if not way more.