Pope Leo XIV just made his debut in the world of AI discourse, and it’s safe to say the tech establishment paid attention.
On Monday, the Vatican released the pontiff’s first encyclical, a letter addressed to the global Catholic Church but clearly aimed at a much broader audience. Titled “Magnifica humanitas: on safeguarding the human person in the time of artificial intelligence,” the document stretches across 245 paragraphs and touches on some of the most contentious issues in the AI debate today: monopolies, job displacement, ethics, and the fundamental question of what it means to be human in an age of intelligent machines.
It’s rare that a papal letter trends on X, but here we are.
The Reactions Are Pouring In
The responses have been as varied as you’d expect from a document that attempts to thread the needle between technological optimism and existential caution.
David Sacks, the tech investor and former White House AI czar, offered a measured endorsement. He agreed with the pope’s core assertion that AI should serve humanity rather than dominate it. But he couldn’t help raising the counterpoint that haunts every discussion about AI regulation: if governments gain sweeping power over AI development in the name of safety, what’s to stop them from using that power to censor, surveil, and control? He called it “the real alignment problem,” arguing that the oldest questions about human nature and authority don’t disappear just because the technology gets more sophisticated. They become, in his words, “newly relevant.”
Then there’s Blake Scholl, the founder and CEO of Boom Technology, which is building a supersonic airliner. He’s not having it. On X, he called the pope’s take “bad,” arguing that tech revolutions always eliminate some jobs while creating others. His counterexample: if we’d clung onto old ways of working out of fear disruption, we’d still be plowing fields by hand. It’s a libertarian’s playbook argument, and one you’ve heard a thousand times before in tech circles.
Not everyone in the tech world agrees with that framing, though. Yoshua Bengio, the influential AI researcher and professor, threw his weight behind the pope’s sentiment. He pointed out that institutions like the Vatican have a role to play in raising public awareness and mobilizing society for the challenges ahead. It’s a reminder that not everyone in AI research is in the “move fast and break things” camp.
Tanishq Mathew Abraham, a biomedical engineer who founded the medical AI research center MedARC, appreciated the nuance. He highlighted that the pope doesn’t view AI as inherently evil but still insists that technology is never neutral. “Glad to see a nuanced, well-thought-out take on AI from the Catholic Church,” he wrote.
The Political Dimension
The encyclical clearly struck a chord in political circles too. Connecticut Senator Chris Murphy called the pope’s stance “really important,” adding that AI threatens to undermine the basic building blocks of humanity as it seeks to replace our most basic functions: creativity, friendship, and critical thinking. That’s a fairly stark warning from an elected official, and it signals how the Overton window on AI risk is shifting.
Meanwhile, Brian Burch, the US Ambassador to the Holy See, attended the presentation and later shared the administration’s perspective. The US, he said, shares the Holy See’s commitment to ensuring AI serves humanity, but with a distinctly American twist. The Trump Administration believes American leadership in AI innovation is essential to national security and economic prosperity, and their approach prioritizes pro-innovation policies that let the private sector develop transformative AI technologies. The goal, he added, is to use American AI to create systems that “reflect democratic values rather than authoritarian control.”
That’s the tension running through all of this, isn’t it? The pope is calling for guardrails. The US government is saying it wants those guardrails to reflect democratic values while still letting the private sector run ahead. Meanwhile, technology companies are, well, doing what technology companies do.
Gerald Leo Posner had a more snarky take, dubbing the encyclical “Jesus AI” and joking that it’s what the pope would have created if he’d built Grok instead of Elon Musk. He appreciated the historical moment of the Vatican setting guardrails but, based on his reporting, suspected tech is “likely to rush past the generalized safety suggestions set out in this massive encyclical.”
The Bigger Picture
Christopher Hale, a democratic politician, seemed almost gleeful about the Vatican’s sudden relevance in the AI conversation. He noted that plenty in the media underestimated “how much of an immediate bang Pope Leo XIV’s encyclical on AI would have.” He also praised Anthropic cofounder Chris Olah’s remarks as “refreshing,” and he pointed out that the Catholic Church has suddenly found itself with a lot of “global main character energy,” even among those who’d declared the institution dead and irrelevant not long ago.
The question now is whether any of this actually moves the needle. Encyclicals, by their nature, are moral documents rather than policy prescriptions. They set a tone, establish a framework for thinking about an issue, and let others do the messy work of translating that into action. Pope Leo XIV has made his position clear: AI shouldn’t be monopolized, it shouldn’t replace what makes us human, and it needs serious ethical guardrails.
Whether Silicon Valley listens is another matter entirely. The pope’s letter may be 245 paragraphs of careful moral reasoning, but the technology sector moves at its own pace, driven by competitive pressures and market forces that tend to dwarf even the most well-intentioned moral appeals.
Still, there’s something to be said for having the leader of over a billion Catholics weighing in on one of the most consequential technological shifts in human history. It’s not every day that the Vatican and the startup scene find themselves in the same sentence.
