Tatsumi Kimishima advised against WiiU and predicted it would fail

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Aquietguy said:
Is the Wii U a failure? The question is are they making a profit off of it. If so it's a success. I disagree with the similarity thing. The Wii and Wii U is about as different as PlayStation 2 and PlayStation 3. The problem was the lack of advertising. They just didn't market it nearly enough. Just look at the effort they did for Splatoon. The U should have had that kind of push. They banked on people just buying it because of the success of the Wii.

At the end of the GameCube era, Iwata said very clearly they were not in the business of making hardware so that it could sell only 20 million or so units. 

Wii U is not even going to match that, so I doubt there is a single person at Nintendo in Japan who is happy with how the Wii U turned out.