I read your post, and that there is one extremely clever text you've written I must say
...
Oh... you're serious. It's not a joke?
In that case, you are very, very wrong.
*cough*fanboy crap*cough*
Anyway, serious answer: Why would they? Sony are the ones copying, WM+ is coming, and they are probably happy with their Wiis, and don't want to spend $400+ for another console + motion controller...