Overview of The Vanishing of an Anti-AI Activist
This episode of The Journal investigates the disappearance of Sam Kirshner, a founder of the radical anti-AI group Stop AI, and uses his story to explore how backlash against artificial intelligence has become more militant, more mainstream, and in some cases more dangerous. The episode traces Kirshner’s rise as an alarmist activist, the internal fractures inside Stop AI, a high-profile subpoena stunt targeting OpenAI CEO Sam Altman, and Kirshner’s sudden disappearance after being expelled from the movement.
What Stop AI Believed
Stop AI sat at the extreme end of the anti-AI movement in the Bay Area, where concerns about AI range from job losses and data centers to existential fears about “AGI” and “ASI” destroying humanity.
Core fears
- AI could eliminate human jobs and autonomy.
- Advanced AI might become uncontrollable.
- Superintelligent systems could treat humans as obstacles and cause extinction.
How the group framed its mission
- Stop AI used urgent, apocalyptic messaging.
- Kirshner argued that AI was not just a policy issue but a survival issue.
- The group tried to turn public fear into direct action, not just discussion.
Sam Kirshner’s Path Into Activism
Kirshner was portrayed as an engineering-minded tinkerer who became increasingly convinced that AI threatened human creativity, work, and existence.
Background and personality
- Grew up in the Seattle area in an engineering family.
- Enjoyed building and inventing things; even helped patent an arm-powered bicycle.
- Became intensely focused, rigid, and increasingly uncompromising.
- Friends and fellow activists described him as stubborn and difficult, but deeply committed.
Radicalization process
- He began by staging solo protests outside tech companies in Seattle.
- He connected with broader anti-AI circles in the Bay Area.
- Books and industry rhetoric about AI risk appear to have reinforced his fears.
- He increasingly saw the issue as a moral emergency requiring immediate action.
Inside Stop AI
The episode paints Stop AI as a small, intense, improvised community living and organizing together in close quarters in Oakland.
The “Barracks”
- A cramped shared house that served as headquarters and home.
- Activists lived, worked, and slept together.
- They made flyers, fundraised, planned protests, and debated strategy constantly.
Key figures
- Yakko / Matthew Hall: a former restaurant manager who drifted into activism and found purpose in the group.
- Holly Elmore: founder of Pause AI US, a more cautious anti-AI group.
- Wynne Kaufman: an older, more experienced activist who pushed for nonviolence and discipline.
Internal tensions
- Disagreements over messaging: extinction fears vs. more “practical” concerns like layoffs and data centers.
- Kirshner pushed for escalating urgency and more dramatic actions.
- Other members found him controlling and volatile.
- The group often argued, sometimes loudly and personally.
The OpenAI Protest and Viral Subpoena Moment
One of Stop AI’s biggest public moments came in February 2025, when Kirshner and others chained themselves to OpenAI’s doors in a civil disobedience action.
Why it mattered
- They wanted arrest and a court case to publicly argue that AI posed an existential threat.
- Their defense centered on “necessity,” claiming their illegal protest was justified.
The subpoena stunt
- In November 2025, Stop AI finally served Sam Altman with a subpoena live on stage during an event with Steve Kerr.
- The moment went viral and became the movement’s biggest visibility win.
- It briefly put Stop AI on the map and validated their strategy of spectacle and confrontation.
The Breaking Point
The episode suggests Kirshner’s commitment to nonviolence and group cohesion collapsed after growing internal conflict.
What changed
- Kirshner allegedly began privately questioning whether violence might be necessary.
- He and other members clashed over the group’s direction and messaging.
- During a heated meeting, he physically attacked Yakko, punching him multiple times.
Consequences
- Stop AI members concluded Kirshner could no longer remain in the group.
- Kirshner posted on X that he was no longer part of Stop AI.
- He was expected at a hearing tied to the OpenAI protest case, but never appeared.
Kirshner’s Disappearance
On the same day he was removed from Stop AI, Kirshner vanished.
What was found
- His phone and computer were left behind.
- A bike and some camping gear were missing.
- The backyard gate was unlocked.
Immediate response
- Stop AI members feared he might become violent, even potentially targeting OpenAI employees.
- A member called 911 to warn police and OpenAI.
- OpenAI locked down its campus, but no attack occurred.
Search efforts
- Yakko searched trails and wilderness areas around the Bay Area.
- The reporter also investigated leads through law enforcement, public records, and Kirshner’s family.
- No definitive trace of Kirshner was found.
Possible explanations
- He may have died in the wilderness.
- He may be hiding out.
- He may have returned to his family and gone silent.
Bigger Picture: The Anti-AI Backlash Is Growing
The episode connects Kirshner’s story to a broader rise in anti-AI anger and real-world threats.
Examples cited
- A shooting into the home of an Indianapolis councilman over data center support.
- An alleged attempted firebombing of Sam Altman’s home and OpenAI offices by a Texas college student.
Broader trend
- AI companies are increasing security and even advising employees not to wear company logos publicly.
- Public enthusiasm for AI appears to be declining.
- Anti-AI arguments that once sounded fringe are becoming more mainstream, especially around jobs, affordability, and social impact.
Key Takeaways
- Stop AI began as an extreme, activist-led response to fears about AI existential risk.
- Sam Kirshner was the movement’s most intense and uncompromising leader.
- Internal conflict, especially over violence and messaging, helped fracture the group.
- Kirshner’s disappearance remains unresolved and is treated as both a personal mystery and a warning sign.
- The episode argues that AI backlash is no longer just theoretical; it is increasingly shaping politics, security, and public discourse.
Notable Insight
“If you’re all about to die, then really having a job doesn’t matter.”
That line captures the mentality driving Kirshner and the most radical anti-AI activists: for them, AI was not a tech policy issue but an existential emergency that justified extraordinary measures.