Santa’s elves read the mail, entered it into the system, and flagged anything unusual for the big guy’s attention.
Dying kids got their wishes sent to the Make A Wish Foundation.
Death threats went to the FBI, and the sender went on the Naughty List.
Appeals to get off of the Naughty List went to Legal.
Santa tried to develop an AI system to process all of the incoming correspondence.
But it never quite had the accuracy of his squadron of mailroom elves.
“It’s the personal touch, I think,” said Santa, and he went out for a round of golf.