I kind of agree. Sure, he may or may not have done things that nerds like us look down upon, but like Bill Gates, anyone who's worth that much on paper must have done something right.
I only read starting at p. 294, but don't think Zuckerberg came off too badly in your recounting. He was impatient, aggressive, and calculated he could do the social-network thing better on his own... and it looks like he was right.
Yet another side note: Why are folks so merciless here? Sure, mod the post down to 0 points. But -13? That's just silly. Why are such low numbers allowed in the first place?