Kinnect and Rare
You always get more value for your cockups if you play them in pairs.
I don't know of anybody that uses or even has used the (lets copy the Nintendo Wii) Kinnect on the Xbox. It seems to have no real purpose that a gamer would want given the Xbox has always been pushed as having more "hardcore" (i.e. FPS) games than anything Nintendo would consider decent on it's consoles.
Now couple that with effectively destroying Rare as a credible Games producer by forcing them to make second rate games just to support the Kinnect.
Bingo - Two plagues on the bottom line for the price of one.
At least now Rare can, hopefully, get back to producing the quality games, of a type Nintendo would approve of and therefore attract the audience you just alienated.
Sorry, forgot, all the top talent got that pissed off by being forced to produce rubbish that they all left.
I would bet those pair of mismanagements have cost the best part of a billion.