Kinect skeletal works in low light. Kinect ID does not. Maybe they want to change that.Do you mean "night vision" for rgb image? because current Kinect can works on low light.
Wow, I'm glad I don't live in your world. Power requirements for devices in sleep mode would preclude the camera being able to record while the device is idle.But here's the thing. When we phone at least the not ignorant know their conversation will be recorded and analyzed by the NSA. We can disable cameras on lame SmartTVs any day. We can adjust to all that.
But how do you adjust to a device which sits 24h in your living room, always on, waiting for input and is able to record everything which is said or sees, transmit it to be analyzed for trigger words. I'm sure the positive spin is already prepared with an "anti break in/home security" app.
I have no real concern here about MS but this infrastructure is far too juicy to be ignored by the NSA. If you don't get nervous about the potential danger involved I'm really concerned how complacent we're all digging our own holes.
More likely is things that have already happened with normal Kinect. Some guy found out his wife was cheating on him with his best friend because the Kinect signed the friend in with Kinect ID while he was at work.