Apologies to everyone for the ad-hominem flame-fest I seem to have triggered. I would have preferred this to stay on topic. jere, you do make a good point that

Apologies to everyone for the ad-hominem flame-fest I seem to have triggered. I would have preferred this to stay on topic. jere, you do make a good point that there is more to it than just having free time and energy. e.g. There is also the "systemising" impulse often seen in high-functioning autistic individuals that seems suited to success in modern times.