Continuity mistake: On the tour bus, in one shot we see Meg wearing her outfit that she wore when she had her make-over. Then about 10 seconds later you see her in a different outfit altogether.
Continuity mistake: As Meg walks on stage at the prison, the items on the floor change drastically between shots. (00:12:15)
Continuity mistake: When Lois sits down at the keyboards a microphone and stand appear in front of her from nowhere. (00:12:00)
Continuity mistake: During the riots, the position of the instruments change, Cleveland drops the blue guitar on the floor but Chris grabs it from leaning against the wall. (00:11:50)
Continuity mistake: The stains on the wall behind the drum kit keep changing between shots. (00:11:25)
Continuity mistake: We see an inmate say "I hear there is a lot of buzz about this new band". When he does there is an overhead shot showing that a lot of chairs are empty and that there is no group of people sat together but as the camera changes, the gaps have gone and seats are filled. (00:10:40)
Continuity mistake: As the inmates start to riot they all have chairs to sit down. But the shot changes and all but 3 of the chairs have disappeared. (00:11:40)
Continuity mistake: When in the clam, the items under the bar change from pint glasses only to a mix of pint, martini and wine glasses and some boxes. (00:05:30)
Continuity mistake: When Peter's band is on stage he gets everyone's attention with a mic. Two shots later once they realise they can't play, the mic has mysteriously vanished.
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