The real lesson is that humans are tribal and can classify people outside their tribes as something lesser. It's a fundamental and frightening part of our natur

The real lesson is that humans are tribal and can classify people outside their tribes as something lesser. It's a fundamental and frightening part of our nature; the average human has the capacity to be cruel and brutal. That is the banality of evil. It's not just European great leaders, it's everyone, and it's fueled by the same underlying tendency that creates smartphone brand fanatics.