It really had no competitors. PS Move, while a nice technical effort, came too late and didn't have the developer support needed. The Kinect failed also for the same reasons on top of lacking a holdable controller so Kinect-games were ultimately forced to be super simple as waving and moving around can only do so much.

The Wii U had these types of games and they didn't blow up like the original Wii. I think its fair to say no one expected the Wii to take off like it did and unrealistic to expect Nintendo to follow the same formula and to get the same results. If anything, motion control games died fairly quickly as the fad ran itself out and are only coming back now as a much needed accessory for pricey VR systems.