Right now, you guys are experiencing what us old timers experienced when the young ones really loved Metal Gear Solid.
Couldn't they see that the story was ridiculous, that there was hardly any game in there, and that was WAS there was very sketchy on the design side of things?
Instructional videos for dancing have been around and been popular before. That they're now on a games console is not going to hurt anyone.
Best first post ever. Welcome to VGChartz buddy!