No they don't.
And what makes everyone think MS would be mad about second place? The Wii U isn't exactly going to steam roll the XB1. The 360 was on second place for many many years and MS didn't seem upset about that.
Cutting $100 without getting rid of the Kinect will make them bleed money, and they seem pretty steadfast on not getting rid of the Kinect.
It's just that simple.