arcaneguyver on 10 November 2015
Lack of accuracy, lack of good implementation overall (we want to relax, not work out), and lack of game series that actually benefit from them. Most importantly, lack of financial benefits for companies to bother; Wii had it built-in, but the number of PS3 owners with Move is small in comparison, same with 360's Kinect, and porting such games between three different motion controllers requires more dev time than a typical game.
