This is a helpful observation. We're not given stories that stray from a hero/protagonist showing up to save the day/change the status quo.
The classic American western has a stranger coming to town to stand up to the bullies. Which is a common trope in the U.S.
The western story elements from TV and movies parallels the white man's burden theme.
The idea is that small town locals can't handle their problems vs. evil.
I grew up in a small town and lived most of my life in them. While most people are quiet and keep to themselves,
