Anybody who does is not a gamer, or a smart consumer. Competition forces companies to produce better cheaper products.
I bet you have never heard of this book
I guess by now, after Wii's and DS resounding successes, that kept Nintendo's huge leadership in portables and gave it back in home consoles, both Sony and MS must have started studying these theories...
Uhhh, no they have not. There is no reason to think this outside of wishful thinking.
No evidence to assert either possibility, actually, but common sense more than wishful thinking suggests that it would be wise for them to do it.
If used correctly, exploiting its unique features, at least Kinect could make MS discover a relatively small (comparable more to Balance Board than to the whole Wii) but nice and profitable Blue Ocean.
If they planned to count mostly on Wii games rip-offs, though, you're totally right.
Stwike him, Centuwion. Stwike him vewy wuffly! (Pontius Pilate, "Life of Brian")
A fart without stink is like a sky without stars.
TGS, Third Grade Shooter: brand new genre invented by Kevin Butler exclusively for Natal WiiToo Kinect. PEW! PEW-PEW-PEW!