Most people who hate it hate it because they are too uncoordinated and/or out of shape to play it. That or they hate the music. Or are too macho and masculine to play it. They're afraid of getting served.
Althought that guy looked like he was doign it on light mode, its impressive non the less. I can do heavy, 7 feet on 2x speed. Thats my best. I havnt gotten any "hot azn chicks" but a lot of people asked me "HOW THE FUCK DO YOU DO THAT" I should start up again.