The whole point of DDR is to gain balance and endurance. Bar raping kinda defeats the whole purpose. Passing the song is only a side effect of better balance and endurance. Plus eye foot cordination.
I think that everyone is just thinking to damn much. If a girl asks to play Area 51 with you, does that mean she likes you? Its just stupid. People goto arcades to have fun. Screw if they like you or ...