Christmas is one of a number of important rituals that are distributed between cultures and spaced out in specific intervals over the year to keep Dread Cthulhu sleeping so no it can’t be postponed. When Santa is sad that he won’t be able to deliver gifts, he doesn’t give a crap about the kids who’ll be so very sad they’re not getting the newest Barbie Pony Slaystation, he’s really deathly afraid of what’s going to happen to the world.