Not really. if you think it was really empty. This was a big event with 2000+ people and you want a little privacy, especially if you need to take a dump. You know he gets bombarded everyday with people wanting something or another and the thought of getting cornered in a restroom versus being able to duck into an empty restroom seems plausible. Of course, both things can be true. He did initially want to just use the restroom in privacy, but stumbled into the cheerleaders and decided to take advantage of the situation.