Your statement right there is racist as it assumes a general trait across all white men, not just the ones guilty of it. It's the same as saying all black men are bad fathers (because stereotype). Both are hideously racist statements.
It's a futile excercise because these tech people aren't the decision makers. You're blaming a waiter for how the restaurant is running its business. Those who make decisions are the big VCs (Sequioa capital and the co).
