Since Wii U failed, what should Nintendo have done to follow up the Wii's success?

[Mr Khan]

RolStoppable said:
Step 1: Don't give up on your system (the Wii) when hardware and software sales are still so high.
Step 2: Once the time has come for a follow-up, build on your success instead of rejecting it.

The sales of the Wii and Wii U are so far apart that nobody has to set goals like "Nintendo's system has to be sold out in the single-biggest video game market of the world for over two years in order to constitute a success". Continuity is where Nintendo dropped the ball, hence the huge difference between these two generations. Based on the sales of Wii software, you can figure which games should have had utmost priority and required AAA treatment, but Mario Kart is the only IP where Nintendo bothered and that came long after they hammered it into the heads of Wii consumers that they are second rate consumers at best. Additionally, if Nintendo had honored the Wii, then the Gamepad could have never become the standard controller.

This is the only post in this thread which matters, quite frankly.