IMO this is only a possible scenario afterward if the current diversity would escalate exponentially into another civil war...
Don't be so ready to give up...some fires burn underground...
America hadn't seen a unity like the one following the 911 tragedy since after the attack on Pearl Harbor...That type of underlying unity is still there...The shame is what it takes to bring it out...
I certainly hope there is still time for our children and grandchildren. Scary times.