The idea that the United States is uniquely virtuous may be comforting to Americans; too bad it’s not true 
America has many of its own special qualities, as all countries do, but when Barack Obama suggested American exceptionalism was no different to British or Greek exceptionalism he was pilloried in the media.
Americans take too much credit for global progress and accept too little blame for areas where U.S. policy has in fact been counterproductive 
The democratic ideal that is held dear does wilt when examined in the context of the Electoral Colleges and the popular vote.
Despite being the self-appointed leader of free world 
, during just one administration, the USA has unilaterally pulled out of multiple international treaties around global issues. These include the nuclear arms control treaty with Russia, Paris climate accord (despite being the major producer of greenhouse gases for most of the last hundred years), Iran nuclear deal, Trans-Pacific Partnership, withdrawing from UNESCO and threatening to leave both NATO and the North American Free Trade Agreement.
Many issues where America was at the leading edge are hindered by its introspection. “The idea that the United States is uniquely virtuous may be comforting to Americans; too bad it’s not true” 
. An unchallenged faith in American exceptionalism makes it harder for Americans to understand why others are less enthusiastic about them 
There is a strong belief God is on the American’s side and an increase in ideas such as creationism.
In contrast to being at the forefront of a lot of scientific discoveries and innovation “The United States (also has) … some of the most backwards proponents of superstitious nonsense in both our electorate and at the highest levels of politics. It is an embarrassment to host laboratories that are at the forefront of scientific research in the same country where presidential candidates are discussing whether Earth is really 6,000 years old as some Bible scholars say, or whether they believe in evolution.”