Continuity mistake: Walking down the mountain Stewie is behind Brian. When he gets the scarf out however, he is side by side with Brian. (00:15:10)
Continuity mistake: At the top of the mountain, there are 3 string of flags attached to a pole. The shortest of which is 3 flags. Red, Blue, Yellow. However, after the shot zooms and comes back to the Griffins, the colours are now Blue, Red, Blue. The colours of a second string also change. (00:13:30)
Continuity mistake: Just as the Griffin's start down the mountain the flags disappear from behind them. (00:14:30)
Continuity mistake: The colour of the ropes tying the ladders together changes from white to yellow. (00:11:00)
Lois Comes Out of Her Shell - S11-E6
Other mistake: When Lois goes to Justin Bieber's dressing room, when she enters the room and Justin looks at her reflection in the mirror you can see her arm disconnect from her body as she talks to him. (00:17:15)
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