Article about Mark Zuckerberg and the early Facebook: https://www.theguardian.com/technology/2018/apr/17/facebook-people-first-ever-mark-zuckerberg-harvard
The fact that Zuckerberg went to Harvard and not Berkeley gives you the first clue about who he is. The chat log where he calls his users "dumb fucks" offers another clue. His polished display of zero sincerity at his Congress hearings seals the deal.
Mark Zuckerberg is a slime ball and represents everything that's wrong about Silicon Valley.