They have yet to have shown a single example of kinect leading to even 'good' gameplay. Much less great gameplay.
Kinect cheerleaders are absolutely baffling. It's all in their heads. They want something that has not been proven to exist. They have just swallowed hook line and sinker ther PR load from MS saying "just buy it now, examples of good uses for this will come later". I say fool me once...
I really enjoyed Dance Central and Kinect Sports. Even if those games never come to X1 I would still want Kinect for Video Chat and Twitch.