> If this is true, then the children of billionaires would rise to the top even if they went to the same state schools and had the same resources/networks as ev

> If this is true, then the children of billionaires would rise to the top even if they went to the same state schools and had the same resources/networks as everyone else. No, because those private schools are part of the parents' choices about upbringing. Moreover, it's impossible for state schools to be good because it's politically impossible for state schools to teach unpopular truths.