I don't see them pulling this off for this reason.
The Kinect is an awesome piece of technology that the masses are still not quite ready for yet.
This game requires gamers to step outside of the box, they gotta actually do something. Gamers these days hate that. They claim they want new experiences then hate on them when it's not an exclusive. In this games case it has to do what Kinect could not. Because Kinect has games that require your voice. Some were even well done. This game isn't breaking new ground in that department, it's just presenting it differently