The We did it! Come celebrate Season 3! thing makes me sad. It's like it's mocking us. Like Fox is saying, "Here's Season 3. No, I'm withholding it." Look at them, getting off!
Maybe in order to understand mankind, we have to look at the word itself: "Mankind". Basically, it's made up of two separate words- "mank" and "ind". What do these words mean? It's a mystery, and that's why so is mankind.