The thing is, Square tried to be greedy, releasing 3 final fantasies at the beginning of console life, instead of spacing it out. And if they could have, they would have kept going for a total of 9 FF games in the PS3's lifespan.
But releasing only 3 Final Fantasies per console has and always will be their workload. They can't get out of it. And because they took the risk, we were stuck with 3 games under the same development engine that they started with (instead of advancing to better graphics as time went on), but it's all still salvageable.
I'd rather they just admit to everyone that they screwed up, rework the game, and do it right. But they aren't and it's irritating.