Yes. "Trump is the quintessential American." It is very difficult, if not impossible, for most people to face themselves. And in the case of Trump's most ardent supporters such a thought might not even occur.

The whole situation is quite Jungian, with Trump being the ultimate shadow. He is the anti-Christ in both the metaphorical and literal sense, standing for, and displaying, all the attributes that are anathema to the teachings of Jesus and supposed values of Christianity. — values that have been claimed by Christians to have created their Christian nation. I am not sure if this is one of the universal themes of which you wrote, but it seems like one to me. Trump has provoked all sides to jump in the mud and start slinging.

Your use of the word quintessential is most apt in this case. As the shadow, the American ideal is greedy, violent, self-centered, ignorant, brash, shallow, indifferent to the suffering of others, and immoral. It takes quite a bit of honesty to see this, but dishonesty is one of the hallmarks of Trump and his effluence.