Well now that makes perfect sense!
There is no way they would get away with selling an inferior spec'd system than the PS4 for $100 more without the addition of Kinect.
EDIT: After clicking the link he updated with a response from Microsoft...
"This rumor is untrue and was an unfortunate copy/paste mistake by a member of our team. We’d greatly appreciate you running the correction below as an update to your story to help quell this rumor and shutdown the false cycle."