You also could have never guessed Trump would win the election, right? You and I are not tapped into the minds of plenty of Americans who will absolutely feel the feeling you've described. And your assertion about "trumpies" is just not true.

https://www.washingtonpost.com/news/monkey-cage/wp/2017/06/0...

Forget about normal/reasonable, while trump's approval rating is abysmally low going by historical standards, it's still 30 something percent - a large number in absolute terms.