You do the right thing even if it makes you feel bad. The purpose of life is not to be happy but to be worthy of happiness.
I'm a geophysicist and all my earth science books when I was a student, I had to give the wrong answer to get an A. We used to ridicule continental drift. It was something we laughed at. We learned of Marshall Kay's geosynclinal cycle, which is a bunch of crap.
An author who sets about to depict events of the past that have run their course is suspected of wishing to avoid the problems of the present day, of being, in other words, a reactionary.