Super Short Summary

Us and Them: Understanding Your Tribal Mind by David Berreby explores how humans categorize themselves into various groups based on factors like family, race, professions, and interests, and how these categories shape behavior and social relations. Berreby examines the positive and negative effects of these human-kind groupings and provides insights into the neuroscience and psychology behind them, highlighting the dangers of pseudoscience, stereotypes, and stigmatization while also discussing the benefits of shared cultural codes and societal rules. The book addresses issues related to stereotypes and stigma.