Why not? People are used to DLC and app store games. Nintendo gamers can adapt to another method of getting their games. Most likely those who own the Wii U know the Wii U is in desperate times and need game ASAP. They probably don't even know anyone else that owns a Wii U. And those who are waiting to buy the Wii U for Mario Kart and Smash Bros may buy it earlier if they have some form of it out soon.