The Universally Commensurable and Value Neutral Science and Formal Logic of the Cognitive, Behavioral, and Social Sciences, in defense against ignorance, error, bias, and deceit, at every scale from the individual to mankind.
Don’t be daft. It’s because we have signlaning power over our kin group, but we do NOT have signaling power over outgroups. Signals create norms. No signals. No norms. No norms, devolution of social capital.