Earlier quoted context omitted.
> It's unethical and classist to pick-and-choose who gets life-saving cancer treatment based on their income. Since we're talking ethics, do you also think universal healthcare should be provided by wealthy nations to all the world? Otherwise we are just picking and choosing based on where someone happens to be born, aren't we?
That question doesn't matter because national sovereignty would prevent other countries from doing that even if they wanted to. It's not a program it's even possible to consider without some really elaborate treaties that many countries would reject. At the core of it what you're basically arguing is that nations are unethical because what citizenship someone holds influences things like their access to health care,…
As for national borders being unethical by nature, if that logically follows then why not?
I certainly don't consider ethics a source of "gotcha" questions, but of real conundrums.