By AFP
Publication Date: 2026-05-25 10:46:00
Pope Leo
The “just war” theory recently promoted by the Trump administration is “outdated,” Leo wrote in his first encyclical, which he personally presented at the Vatican along with AI experts, including the co-founder of US giant Anthropic.
The first US pope to clash with the White House over the Iran war and its use of religion to justify the conflict sounded the alarm about AI-controlled weapons, saying it was “not permissible to entrust deadly” decisions to technology.
American giant Anthropic, which has cemented its position as an ethical AI company, is in a legal battle with the US military after opposing the use of its technology for lethal autonomous warfare or mass surveillance.
Without mentioning US President Donald Trump’s name, Leo emphasized that it was “important…”


