@MLClark I have found that some of the most annoying of cliches are the ones so true they've been repeated to the point of becoming memes.
I am reminded of the story of the Two wolves. Which one wins? The one you feed.
At the end of the day no one is wholly good or evil. They are their choices at that moment. Enough choices over a historical period establish a trend, but we are the sum of our deeds, and that needle is ever in motion.