“The concern is that a candidate like Trump is running a campaign based on the 1980 electorate, not the 2016 one.”
Yes, a campaign based on the American people and not on the needs of Washington lobbyist cartel.
The Democrat and Republican establishment both believe we are somehow discriminating against people who are not even living in the United STates right now. They believe that they have the right to be future Americans and these future Americans are valued more than we do who are already living here.