The problem is the same one Bio had in NWN, trying to please too many people and not doing a good job for any specific group.
KotOR is an RPG, just not a good one for RPG fans. It is a good action game, if you aren't a hard core action fan. It is a good console game, I guess, but it ain't super mario.
Bio can do well with this type of effort as long as they have D&D or SW to work with. A game can be mediocre and still sell well and get good reviews if you have a popular, known gameworld.
KotORII will do well no matter what they do to it, especially if it is released on console and PC, or console only. It will be hard to screw that one up. (unless the third new SW movie is bad enough to actually kill all the SW fans outright, a distinct possibility).