I think you misread the parent comment. They aren't saying that DDR mats and voice commands aren't a test of dexterity. They are saying that people beating the

I think you misread the parent comment. They aren't saying that DDR mats and voice commands aren't a test of dexterity. They are saying that people beating the game using DDR mats and voice commands illustrate that the base game isn't a test of dexterity, because people use those weird difficult input methods as a way to add the actual dexterity challenge.