Kin selection fails to stabilize cooperation even at village scale

Evidence

Kin selection and reciprocity cannot produce stable levels of cooperation even in groups as small as 300. Even in these village settlements, there is sufficient social complexity to require a whole package of cultural solutions to life’s problems. — Norenzayan, Ara, Big gods - how religion transformed…, 414

Categorization

• XREF: Directly supports the reader’s argument that partner-choice mechanisms (Baumard) need cultural scaffolding — the fumi-e ritual as precisely this kind of cultural injection. — connects to: Movements succeed by exploiting kin-selection psychology through bonding rituals. — Scott Atran, The Devoted Actor: Unconditional…, 58