Pope Leo Is Wrong about Just War

Pope Leo Is Wrong about Just War

https://washingtonstand.com/article/pope-leo-is-wrong-about-just-war–especially-in-the-age-of-artificial-intelligence

Publish Date: 2026-06-02 14:08:00

Source Domain: washingtonstand.com

  • Augustine of Hippo articulated the just war tradition in “The City of God” during the collapse of Rome, emphasizing that governments have a duty to protect the innocent.
  • The just war doctrine, developed by Thomas Aquinas, is designed as a moral framework to make going to war morally challenging, with criteria like legitimate authority, just cause, right intention, and proportionality.
  • Pope Leo XIV in “Magnifica Humanitas” asserts that the just war theory is obsolete due to modern tools such as dialogue and diplomacy, yet acknowledges military force for legitimate defense.
  • The 19th-century encyclical misinterpreted the just war doctrine, failing to recognize its role in providing moral accountability for wartime actions, especially in recent conflicts like Ukraine.
  • The rise of artificial intelligence and autonomous weapons systems emphasizes the necessity of just war doctrine to maintain moral accountability and human oversight in warfare.
  • Despite technological advancements, the just war criteria still apply and are more crucial today, particularly in ensuring last resort, proportional force, and protection of civilians.
  • Pope Leo XIV correctly identifies AI’s challenges in warfare but mistakenly advocates for discarding the just war tradition, despite the argument that it serves to re-establish human moral responsibility.
  • The fundamental tenet of just war doctrine remains the obligation to preserve moral accountability over warfare, especially as AI compresses human decision time and may obscure accountability.