The WEIRD Veil: Why Rawlsian Justice May Not Generalize Beyond Its Cultural Origins

John Rawls's A Theory of Justice (1971) proposed the "veil of ignorance" as a device for deriving universal principles of justice through rational deliberation. This paper offers a respectful but critical examination of its universalist claims, drawing on empirical research unavailable to Rawls. THE WEIRD PSYCHOLOGY PROBLEM: Joseph Henrich's work demonstrates that Western, Educated, Industrialized, Rich, Democratic (WEIRD) populations, representing approximately 12% of humanity, exhibit psychological traits that are statistical outliers rather than human universals, including patterns of moral reasoning that diverge systematically from most human populations. Rawls's "considered intuitions" may reflect culturally specific WEIRD psychology rather than universal human reason. THE RAWLS-HART PARADOX: Using evolutionary game theory at multiple levels, this paper formalizes what I call the "Rawls-Hart Paradox": Rawls criticized H.L.A. Hart for leaving adjudication to judicial discretion, yet the method of reflective equilibrium may constitute a structurally parallel process of post-hoc rationalization operating at a higher level of abstraction. If this reading is correct, reflective equilibrium converges not toward moral truth but toward the centroid of WEIRD intuitions, presenting local consensus as universal principle. THEORETICAL INTEGRATION: Integrating insights from Richard Dawkins's extended phenotype theory, Daniel Dennett's intentionality hierarchy, Jonathan Haidt's social intuitionist model, and Friedrich Hayek's critique of centralized knowledge, I propose that legal and moral institutions might be better understood as evolved adaptations to local environments rather than approximations to context-independent ideals. QUANTITATIVE EVIDENCE: Environmental compatibility predicts institutional success 1.7 times better than ideological commitment. WEIRD-designed systems exhibit 5.7 times greater implementation gaps in non-WEIRD contexts. Constitutional transplant data validates evolutionary over universalist models. CONTRIBUTION: Sketches an evolutionary research program for comparative law that complements rather than replaces normative inquiry. Demonstrates that acknowledging cultural specificity strengthens rather than undermines the comparative law project. PUBLICATION NOTE: This is the first publication of this working paper. Published directly on Zenodo for permanent open access and global scholarly dissemination.