> migrants who are already living abroad for a while feel a need to emphasize their born-in-to identity to counter the immigrated-into society
This is an important point. Going further, things like Trump brand politics of demonizing outsiders and newcomers fuels this need to emphasize born-in-identity.
if you're interested in this stuff, also check out "nsc 68", which is the actual policy material this stuff evolved into. then also the latest reincarnation of all this, "rebuilding america's defenses" by project for new american century.
i don't think its hard to imagine that a lot of people didn't have access to computers during their childhood. also there are lots of people that didn't have the right environment or parenting to name a few. since you mentioned "interests in technical subjects since childhood". i know the guy in the article mentions that he learned to computer from 18 on wards, also he went to MIT which i think says a lot about his childhood. maybe you think the word is ridiculous but i think there is room for more empathy.
this reminds me of that white guy that was tweeting up a storm getting on a plane with his leatherman pocket knife thing and also exchanging lolstories with other white people about getting through airport security with questionable items.
i think "half the people" is an overestimate. i don't think most people learn integration in school. i'd be surprised if half learn differential calculus.