He came from the movie 10,000 BC.. and to be honest i wouldn't mind eating those stuff when it is needed. like the times when i must eat anything else to be alive.. and come on the TV show I shouldn't be alive. They contain lot's of proteins, and yeah, humans used to eat these stuff before they were civilized.
What you think nasty is just because you think pizza and burgers are actual food.
Some situations demand you to eat everything to be alive. even humans for that matter.