Some may have been as hierarchical, tense and violent as the nastiest chimpanzee group, while others were as laid-back, peaceful and lascivious as a bunch of bonobos. So not only was everyone living in bands until farming came along, but these bands were basically ape-like in character. If this seems unfair to the author, remember that Harari could just as easily have written ‘as tense and violent as the nastiest biker gang’, and ‘as laid-back, peaceful and lascivious as a hippie commune’.