Something has been bothering me about this whole conversation, and maybe I'm just missing something, but this is how i see it.
I'm assuming most if not all Wii U games will support the ability to play games just on the Gamepad, for when your TV is occupied. If this is the case then all such games must also have a version of the HUD and controls that works on a single screen (the gamepad screen), with standard buttons usage and no touch screen.
By extension if this control setup must be included then surely this setup should be optional at any stage for anyone who prefers to play the game with regular controls (on the gamepad), HUD on the TV screen and with no touchscreen. When playing this way you are playing the game exactly as you would on the 360 or PS3.
So if any developer wants to just support a standard control layout, rather than slapping on some gimmicky gamepad support, what's stopping them. I don't see how the Pro controller is necessary for this.
I think it's far more likely that the Pro controller was introduced as a cheaper alternative for those wanting additional controllers and more importantly due to the difficulty with outputting to a TV and 2+ Wii U gamepads.







