It's certainly a possibility in the future, a couple years down the road with an expansion release an upgrade to the main cities. It's VERY do-able. As a current fix, it absolutely is unlikely to happen there's just more issues on their plate than to fix art style and direction in existing locations. But i'm in complete agreement with you all, the textures, models, graphics look superb, the art direction is very boring, empty and bland.

As far as worlds go, i'm probably a minority here but I loved the world and art direction in Final Fantasy 9. The characters were a little too animated looking and cartoony, but the world and environment was that perfect balance of fantasy and midieval