Maybe he should really look at his options where his mindset is more welcome. No reason for him to be an American if accepting basic American principals pains him so much.
There are other countries. Has he researched finding a new home in China, North Korea or possibly Iran where maybe his ideology would be a better fit?
There is really no reason he has to stay as it pains him so.
In America, we pride ourselves on dumping the overly taxed tea ship and taking control of our country with our own guns and using our creativity to adapt our warfare to beat the better numbers of the English.