just playing devils' advocate, esp. since I can't see the video at the moment, but any chance that the woman just really had to "go?" WDW food can be pretty rich and do a number on anybody. Or she's drinking more water than usual to stay hydrated, and the need for relief overcame her. And of course, not everyone is comfortable shouting out that they're having a bathroom emegency, even if it would elicit more sympathy than just honking and grimacing. If that were the situation, I'm sure irking some strangers is more attrative than losing control and "marinating in your own juices" in the Florida sun.
Just throwing it out there, to see if it sticks, as it were.