In another sense such as starting a war to deflect from problems at home, theres one champ and that is our democratic country.
Either one doesn’t mean the other is doing something legitimate and is waranted shielding from criticism
Those reasons might be something you object with, or even downright stupid in hindsight. But only in Hollywood is it ever a smoke screen for domestic issues.
Humanity needs to be great together.
Together we stand, divided we fall (said the poet).
*I don't vote in the USA so I don't care who they/you elect. If it would be Clinton or Bush (Sr/Jr) or Obama saying "screw the world we should care only about ourselves" I would be equally judgemental (you should hear me discuss politics with Russians (they can't see why their dictator is bad for them) (and now I will get downvoted by both Americans AND Russians :)
And while not literally a war, what purpose do you think the bellicose suppression of the fact of Taiwanese independence both domestically and abroad serves?
Some people seem so obsessed with the country they live in, they can't see the rest of the world properly. An over focus on domestic politics distorts everything with parochialism.