I am not convinced he is right about how susceptible people are to the black swan effect: it seems like your average person overvalues tail probabilities, not undervalues (hence why people play the lottery and buy insurance). It's been a while since I read anything by him, but I remember not being convinced by how he dealt with the problem of induction either, which seemed to lean dangerously close to intellectual nihilism.
Edit: grammar
Nevertheless, it behooves us to try to remember that we are susceptible to the "Black Swan effect", the very real tendency to immediately forget that our sacred cows shit the bed.