I concur, you don't want to be continually dropping your eyes down to the gamepad for a game like CoD, better the map is on the screen. For a game like Zelda, a map on the gamepad would be a huge improvement.
Regardless, CoD players have friends, trophies/achievements and an online system that's proven on their given consoles now. I don't see why any of them would now switch to WiiU for CoD. Heck, I only play CoD on Wii and I'm not keen on switching to play it on WiiU if it means having to use dual analog.







