People who are left naked and alone by radical individualism do what their genes and the ancient history of their species tell them to do: They revert to tribe. Individualism, taken too far, leads to tribalism. Hannah Arendt noticed the phenomenon decades ago. When she looked into the lives of people who had become political fanatics, she found two things: loneliness and spiritual emptiness. “Loneliness is the common ground of terror,” she wrote in The Origins of Totalitarianism.
