Nothing "should have" failed unless it hurts people but is a success anyway. Like violent hate movements (like a certain one Godwin will not allow me to mention further).
No one is hurt by the Wii's success except the egos of the gaming press, developers, and anti-Nintendo people in the gaming community.
A flashy-first game is awesome when it comes out. A great-first game is awesome forever.
Plus, just for the hell of it: Kelly Brook at the 2008 BAFTAs