Who needs controllers? All those fiddly buttons and flashy lights, it can get rather confusing. That's why over 10 million people bought the camera, and EA want a slice of that ever growing pie.
That's why EA Sports announced Tiger Woods, Madden, FIFA and an unnannounced game for Kinect, EA revealed Sims 3 Pets, Family Game Nights 4 and BioWare revealed Mass Effect 3 with Kinect support. In ME3 you will be able to command Shepard with your voice.