After 9/11, neighborhoods throughout America flew the flag. First responders, especially police and firefighters, were hailed as heroes.
Patriotism, the embrace of the nation, is no longer praised.
Tolerance of the citizen who possesses the same national loyalty but holds a different perspective no longer exists.
Political thuggery dominates the streets of Portland.
In the real world, we are all tribal. Given freedom of choice, people generally choose to live and associate with their own tribe.
The system of competing tribes with different realities only works if there is an overarching sense of community.