Bill Gates beat the shit out of the President of Sony in a bare-knuckle boxing match mirroring the Red Wedding.
And the kids are so disgusted by the holiday-induced fervour sponsored by companies who just want you to kill each other to buy their crap, that
Cartman, of all people, is the one to get the moral monologue at the end about them playing outside instead of playing their new Xbox One... cause you know, Bill Gates won the Console Wars

.
And then to cap it all off, they end the episode with an advertisement for the new, real-world South Park video game.
LMAO.