Here’s a nice essay about stories of good vs evil. It makes a few points about Star Wars.
https://aeon.co/essays/why-is-pop-culture-obsessed-with-battles-between-good-and-evil
I wonder if the big good vs evil theme in Star Wars has an effect on the fan base and how we deal with opposing viewpoints. I guess the whole “you don’t agree with me so you are on the other team”-mentality is widespread in today’s society with or without Star Wars, though.