To truly decipher the geopolitical calculus of Southeast Asia, one must abandon the Western obsession with hyper-legalistic international frameworks. Western paradigms often misread ASEAN as weak or indecisive because they evaluate it against European models. In reality, the "ASEAN Way" operates on a entirely different frequency—one best understood through the lenses of political behavioralism, strategic socialization, and a deeply embedded, shared normative culture. As leading scholars of regionalism have long observed: Taku Tamaki rightly contends that attempting to rigidly codify the ASEAN Way produces analytical confusion. Instead, we must observe the actual diplomatic praxis and behavioral patterns embedded in regional statecraft. Amitav Acharya frames this mechanism as a distinctive regional security complex . It is a conflict-management architecture deliberately engineered to preserve peace without relying on external hegemons...

1. Limitations of Rationalist Approaches in Explaining ASEAN Epistemological Misinterpretation via Global Frameworks: Mainstream International Relations (IR) scholarship embedded within the rationalist paradigm—most notably Neoliberal Institutionalism—conventionally posits that institutional efficacy hinges upon advanced institutionalization, explicit legalization (binding regulatory frameworks), and supranational delegation, traditionally benchmarked against the European Union (EU) model. Contextual Rationality: Consequently, Western-centric analyses frequently dismiss ASEAN as structurally deficient or pathological. However, as Kasira Cheeppensook demonstrates, ASEAN does not exhibit irrationality; rather, it operates on a baseline of "practical and societal rationality." Institutional decision-making eschews rigid, codified mandates in favor of strategic elasticity, dynamically adjusting to the l...