Other mistake: During the Vagina Monologues show, the pair of legs casts a shadow but the microphone stand doesn't. (00:00:45)
Continuity mistake: When Tom Tucker is hit by Peter, his (Tom) left foot is facing his right knee. When the shot moves to include the hooker his left foot is now facing away from his right knee. (00:11:10)
Answer: Mort is Jewish, and Walt Disney was said to be antisemitic. So it would make sense in a Disney universe all the inhabitants would share his supposed beliefs.
MasterOfAll