According to this article that I just read, some people believe that Nintendo should scrap the Wii U and stop focusing on their hardware and put their money into their software for mobile platforms supported by iOS and Android.

http://www.thestreet.com/story/12779029/1/nintendo-should-scrap-the-wii-u.html?puc=yahoo&cm_ven=YAHOO

Personally, I don't like the idea and I think people are giving up on Nintendo way to easily.