well, he correctly noticed that the gestures and animations take a different approach than Apple's but that apparently just makes them "wrong" to him - Apple's is the only valid approach.
fwiw, here's a good presentation of the design rationale behind the use of animations in Windows 8: http://channel9.msdn.com/Events/Build/BUILD2011/APP-206T
Gestures: http://channel9.msdn.com/Events/TechDays/Techdays-2012-the-N...