I personally think a Camelot game would have stood out more at launch, or shortly after launch, rather than later. Give it a couple of years, and you're competing with 100s of games. As a quickie example see Halo, Pikmin, and Super Monkey Ball. I think all of these new franchises benefited from being released at launch. Though I admit Wii has a stronger launch lineup than Xbox or GameCube.
Of course, if Camelot is working on an RPG, it probably wouldn't have been ready for launch anyway. It takes a couple of years to develop a big RPG.