having Americans paying health benefits for all of North America?
Instead of classwarfare confined by borders, simply extend it globally. Why not? Certainly that is the UN's premise. Interestingly in that equation, America's "impoverished" might actually rise to being relatively greedy in the world's eyes.
OTOH, "Universal Access" is only fully revealed for what it is when all industry is exposed to its same flawed basis. That future exposure, rather than any transnational application, represents either the abyss or the enlightenment at the end of our current path.