@PDF: ? Wii Remote performs the same function as the mouse, even when you sit comfortably in you chair/sofa, so i don't see the problem.
You actually could ask just as well why PS3 doesn't come with KB+mouse as default controllers.
Ei Kiinasti.
Eikä Japanisti.
Vaan pannaan jalalla koreasti.
Nintendo games sell only on Nintendo system.