So this looks awesome but everytime I see somebody playing it they're starring at their gamepad the whole time.
Well, yeah. You have to draw paths for Kirby, that would be incredibly hard to do if you were looking away from the surface you were drawing on.
It'd be weird to look at a gamepad the whole time when there's a big screen TV right in front of me. Obviously this isn't the only Wii U game that does this.