I'm disappointed by the fact that, with all the mugging he did, he didn't actually "demonstrate" how to eat a McRib so much as he just ate it in front of the camera.
Certainly he isn't suggesting that the way to eat one of these sandwiches is to chew with your mouth open? Heaven forfend.
Here's a game for you.
Go to McDonalds and buy this same combo. Sit down with this video on full screen in front of you and pretend you are having a relaxing meal with a good friend. If you make it the full 10 minutes without throwing up or crapping your pants, Congratulations! You win.