It's not black and white only. There's a third group -- a combination of the two mentioned, who were hackers from the young age and got a good education. Also,

It's not black and white only. There's a third group -- a combination of the two mentioned, who were hackers from the young age and got a good education. Also, there are people coming from other disciplines that can make very good experts in certain areas, as other commenters have mentioned.