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Makes sense. They are having trouble as it is supporting one platform, never mind two - without big breaks in between. A unified enviroment would help a lot in that regard.
Also, if the previous consoles didn't spell it before, Wii U almost certainly marks the end for dedicated home console from Nintendo. Because besides the Wii, they have been in a steady decline, post 5th gen. This is only a return to norm. Nintendo's home consoles have been dropping in interest from both the average consumer, as well as their loyal userbase.. so a big change needs to happen.
And by focusing on one platform, not only can they produce higher quality games, but also at a faster rate.. which can only be a good thing. For everyone. So yeah, it'll be interesting to see what Nintendo comes up with next, on their next gen system.
