My tl;dr would be "the US is big and complicated." I've seen people working stressful service jobs be incredibly polite in Houston, and baristas being checked-out jerks in small-town Colorado. Overall, I would say that people tend to be more polite when they have more mental energy to spend. That tends to be in quieter towns, but not always.
My tl;dr would be "the US is big and complicated." I've seen people working stressful service jobs be incredibly polite in Houston, and baristas being checked-out jerks in small-town Colorado. Overall, I would say that people tend to be more polite when they have more mental energy to spend. That tends to be in quieter towns, but not always.