I think PG's point is that some people are naturally great, regardless of their environment. So, yes, Congo or Nigeria or whatever have a bunch of guys who might have been great programmers if given the opportunity. But in less extreme cases, i.e. most of the world, those naturally gifted folks find their way into a compsci program or start hacking on an old machine and teach themselves or whatever. So even if only half of the 95% of people born with great aptitude are found in places with modern amenities and good education systems, that's still 9x more than here in the US.
"So even if only half of the 95% of people born with great aptitude are found in places with modern amenities and good education systems, that's still 9x more than here in the US."
Half is extremely optimistic. China and India contain a significant portion of the world's population, and there are significant populations in those nations that have never owned a computer.
Longterm, it is likely that many of these nations will produce significantly more good people in STEM fields, since the US education system is almost laughably bad at teaching STEM and at convincing students that STEM is worth learning. If that trend of US students going into arts and humanities more than STEM fields, particularly among women and minorities, we're unlikely to see an improvement in this situation.
I'm anti-border, and I think anyone should be able to work anywhere they want. But, I think the message should have two prongs: 1. Importing talent is mandatory and has no downside for Americans (except for Americans that don't like brown people) or the American economy. 2. Educating kids in STEM fields has to improve and kids, particularly girls and people of color, need better guidance about entering these fields.
A fair point about half being a little optimistic. But even if it is just Europe we consider, that's still doubling the population of great programmers and that seems like a win, objectively.
I think PG's point is that some people are naturally great, regardless of their environment. So, yes, Congo or Nigeria or whatever have a bunch of guys who might have been great programmers if given the opportunity. But in less extreme cases, i.e. most of the world, those naturally gifted folks find their way into a compsci program or start hacking on an old machine and teach themselves or whatever. So even if only half of the 95% of people born with great aptitude are found in places with modern amenities and good education systems, that's still 9x more than here in the US.