The catch is that Wii and PS3 already have these types of titels, and having tried a number of them already, the novelty soon wears pretty thin.
One can only play so many frames of bowling and matches of tennis and weird art games (some of the PS3 Eye games are pretty weird - and if you mixed them with psychedelic narcotics would literally blow your mind

hehe)
The key is whether youa re playing an awesome game of Halo 5 and your dog runs into the room and screws it all up