How long will they play? They are in Vegas after all. It could go ALL NIGHT!
Young grasshopper, once you achieve pinball nirvana, then you will experience true enlightenment. However, if this enlightenment happens in a tournament, we are going to have go to the judges for a ruling.
To achieve a substantially higher score than most competitors on a pinball game in a competitive atmosphere.
Think of your average reality show. Really. Think of the dreck passing for produced television that has actual humans watching it. This show would be better than at least half of them.