So I see it as 60% art 40% emotion. Athletics is only a tool that allow you to achieve those two goals and should never really be noticed. Indeed, if I do notice it I mark the couple down as having to try too hard.
Its like playing in tune. Music is not nice if out of tune - but if you play perfectly so you sound no different from a simulated MP3. You have to generate an in-tune note with nuances of expression (meaning going out of tune). I don't want to think 'wow that person is playing in tune' I want to think 'wow that person is expressing the music so well'.