Looking at it from his perspective, wading through decade-old cpu technology when you can work with the newest stuff with very little to limit you isn't very encouraging.
Still, the situation is this: A vast market pie is just waiting to be eaten, but he decides to hold back his company's appetite in the name of artistic integrity. Good for him and the developers. Not exactly healthy for his company, but hey, that's 2-3 Wii games I don't have to worry about buying. Right?

(my wallet is happy, yet my inner Wiiself is crushed. But my inner 360 can look forward to more dual analog shooters. Talk about melancholic inner termoil.)