the increase in rudeness we’re experiencing traces back to how we’re living so antithetically to millions of years of our evolved psychology, in societies too big for our brains—vast strangeropolises where some of us can go an entire day without seeing any (or many) people we know. Going about life in a sea of strangers not only enables the rude but also causes us stress and anxiety—as well as hindering feelings of well-being, and maybe not just because of the surge in rudeness.
