As I work on my book (Psychology of software teams! Stay tuned :D ), I have been reading DEEP in the science of in-group formation/and all the mechanisms of how we rapidly form, question, and re-form groups, and sides; this is sometimes called "coalitional cognition" (Cikara, 2021) and I think it is so important for understanding how we can create healthier organizations -- far more actionable imho than many of the isolated, individualistic stories we've been telling about "productivity"