Because they have a claus in their contract.
North Pole-land
Because he thinks they're part of the illumi-naughty
You'd turn red if someone pulled on your hose wouldn't you?
In all 3 cases, someone forgot to pull it out.
When he found out, Santa shouldn't have gotten mad, he only had his elf to blame. Now Santa won't forgive him until elf freezes over.
The reindeer
He was charged with battery.
His lips are moving.
Hearing AIDS
Role tied.
Because it has long-distance runners on each side.