The risk of someone illegally residing in a country is different by nationality.
The chance of a Canadian illegally staying in the US is super low. The chance of someone from Haiti is high.
Why wouldn’t there be different requirements?
I guess there is no solution to that. You are right that a member of a nation (or a community) where people often cause trouble mathematically more likely to break laws. I guess it would be unwise to use this to minimize the risk to your citizens.
That's kind of what Global Entry is. If you're willing to give up your privacy and have the gov't examine your profile as an individual, you can avoid be screened based on nationality alone.
I’m just saying that when you think about it, it feels weird — privileges literally depend on the “color” of one’s passport. Must be inherent to our civilization.
So yeah, if you want to get rid of the very idea of countries, it could work...maybe.
Just because one of them is from Haiti doesn't fundamentally change the situation, they're each as likely to try and stay illegally as the other (which is not much).
The system is based on where you're from, but it really should be based on where you're going (in life in general, I mean).