I have to wonder if Zuckerberg saw the same movie I did. It was crystal-clear that his character in the movie was motivated by the same Wow, wouldn't it be cool if... impulse that he's saying was absent.
Sorkin writes: "It was a revenge stunt, aimed first at the woman who'd most recently broke his heart (who should get some kind of medal for not breaking his head) and then at the entire female population of Harvard."
This page is obligatory reading on this debate (previously posted to HN): http://kenlevine.blogspot.com/2010/10/aaron-sorkin-responds-...
Now, I'm not saying what did or did not drive Zuckerberg - but Sorkin, who wrote the Zuckerberg character, thought the character was motivated by revenge.
MZ would have lost interest at about the $12 point if it were just about revenge, and I think the typical viewer will understand that.