Mark Zuckerberg: I'm not a bad guy.
Marylin Delpy: I know that. When there's emotional testimony, I assume that 85% of it is exaggeration.
Mark Zuckerberg: And the other fifteen?
Marylin Delpy: Perjury. Creation myths need a Devil.

To me this film is perfection, but those that dislike seem to have an issue about its accuracy. This quote is almost the perfect response, as if Sorkin expected a tiny backlash and decided to give them the finger. He is a story-teller, why can't he exaggerate the truth in order for a better story?