[quote="rogerty":k8c4o6ml][quote="dreadeye":k8c4o6ml]Why would they?[/quote:k8c4o6ml]
Nintendo could say: the wii-mote and its technology (as a whole) is ours and ours only to use![/quote:k8c4o6ml]
If you stole Nintendo's code that runs the Wiimote and tried to pass it off as your own, then yes you could get into trouble. Otherwise, if you own a Wiimote you can use it how you see fit.
I mean, there are XBOX 360 controller drivers for Linux...
. They have no legal recourse to tell you how to use your stuff, they're only concerned with piracy of their intellectual property.