I prefer "American Indian" AI if tribal affiliation is unknown but as for why? Well, if you're born in America, you're a Native American and
Do you call Canadians, Canadians or those people that live their now? How about that entire Middle east mess, go tell the Israelis that that's not their home, they came somewhere else.
I, as Dine, believe that we originated here, our land, the Dinetah, in the beginning.
But the AI is used to ascribe origin or indigenousness of a people. They would have us believe they didn't originate elsewhere and, of course, that they have claim over the land. They had it in part, but lost it in warfare. Territorial claims have always been fluid all over the world. Besides there were arguably others not related to them here long before-- making them late to the party.
But I understand your point, and it's technically correct on one level.
Napoleon may have have he’ped establish byh territorial existaece here but I also got other homewright
I AM native American
I was born here. I learned of traditions from here.