Motion control is a brilliant idea. However game creators have yet to understand how to use it. They still seek to replace a controller using it which will simply never happen, nothing beats a controller for controlling. Until they realise the point of motion control is to add to the original experience and not provide a new one, they will continue to make pathetic games.
A prime example of how to use motion control. You are making your way down a hall in an RPG and there is an item on a shelf in the game, you reach up with your hand and take the item. That is something motion control would be best suited for, something which uses the body in ways that will come naturally and be more involving.