What he doesn’t mention is about 90% of the population doesn’t really care that much.
Our system accounts for hyper partisanship in its very design... You think the founders didn’t realize the nature of man??? Be serious they understood it far better than most today do.
They had no delusions that everyone was always going to play nice with each other.
When we fought the American Revolution, only a third of us wanted a country. A third wanted to stay with the crown and a third did not care.
As I see it, it is the same now. A third want a country, a third want to have an overbearing UN totalitarian government and a third do not care.