[IshKebab]

> but specifically of the group that's also good at programming. That conditional probability is much higher.

That's the group I was discussing. Higher for sure, but still not high. (Remember we're talking about Chinese nationals, not Chinese ethnicity.)

> so something rare in that group is true for many people still

Yes but we're talking probabilities so the total population size is irrelevant. You're the one making the statistical mistake here.

> It's not like everyone in the US has great English either. (Though open source maintainers are again probably more likely to.)

Answered your own question there.