The startup world is 100% class-based, worse than anything, and yet PG actually seems to believe that it's a meritocracy. He thinks Stanford PhDs like Larry Page (whose father was a professor) had about the same chance as anyone of getting funding.
He completely ignores the fact that startup funding and elite credentials are extremely limited pies. Harvard only admits a certain number of people. YC only funds a certain number of people. Sequoia only funds as many people as they can sit on the boards of. So who do these people always choose? Other members of their class.
See: https://www.ycombinator.com/people/
He seems to have no awareness of what it's like to live outside the elite bubble he was born into. And how could he...