alt Hacker Newsthe author almost realizes that hiring cheap talent is like looking for a stock to invest in ... the trick is to identify undervaluation. then he shortstops and overvalues the usual metrics like low age just as everybody else. some people miss the forest for the trees.
More charitably, someone who is older and exceptional has probably had a chance to find equilibrium with the market, i.e. they know exactly how much they are worth and as a little startup you're less likely to end up landing them.