Bold indeed.
If the Vita survives, it should be around for 5 years. It can pull off 30m+ sales. That's being optimistic.
By Kinect, I hope you mean only the 360 Kinect (not including Kinect 2.0 for XBox720) so it's up for debate when M$ will stop Kinect 1.0
e=mc^2
Gaming on: PS4 Pro, Switch, SNES Mini, Wii U, PC (i5-7400, GTX 1060)