Your comment seems to hinge on the nuance of phrases like "modern nations", "the current idea of nations" and "current political organization of people", but I'

Your comment seems to hinge on the nuance of phrases like "modern nations", "the current idea of nations" and "current political organization of people", but I'm not sure what that's supposed to mean and what you're trying to distinguish it from. If you mean that the precise set of nations and territories that exists today is not fundamental or permanent, that's obviously true, but it doesn't seem to have any bearing on anything.