The writer of the movie seems to disagree with you.
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.