Perhaps 'Big Bang' fans feel so protective of the show because it is, despite being a hit show on a big network, something of a word-of-mouth phenomenon.
“Cleanliness is very important. If you let kids make a total mess in the kitchen and then leave, you're not really teaching them anything.”
“If we do discover a complete theory, it should be in time understandable in broad principle by everyone. Then we shall all, philosophers, scientists, and just ordinary people be able to take part in the discussion of why we and the universe exist.”