Another voice within the “Big Three” artificial intelligence labs has expressed concerns about the rapid development of artificial intelligence (AI) following the recent resignation of Anthropic’s head of security. Hieu Pham, currently at open artificial intelligence The former xAI employee recently issued a stern warning about the industry’s trajectory, questioning “what else humans can do” once artificial intelligence becomes “too good.” Fan admitted in a tweet that he finally felt the significance of artificial intelligence.
“Today I finally felt an existential threat AI The technologist posted, “When AI gets too good and disrupts everything, what else will humans do? When, not if.”
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Mrinank Sharma, Anthropic’s head of AI security, recently announced his departure from the company in a tweet.
“I constantly find myself thinking about our situation. The world is in danger. Not just from artificial intelligence or bioweapons, but from a series of interconnected crises unfolding at this moment. We seem to be approaching a threshold where our intelligence must grow in equal measure with our ability to impact the world, or we will face the consequences,” Sharma said in his post.
How did social media react to Fan Xiaofan’s post?
The post sparked a range of reactions on social media. While some agreed with Pham, others were curious about his experiences with artificial intelligence while working at xAI and OpenAI. However, some dismissed his concerns and shared their own thoughts on AI advancements.
One asked, “What do you see, bro?” Another said, “AI doesn’t eliminate purpose, it compresses impact. The question is not, ‘What will humans do?'” The question is, ‘What will humans choose to build when constraints disappear? ‘”
“We still have to cure cancer, eradicate poverty, ensure adequate energy, and explore the stars before we can worry,” a third commented. A fourth wrote, “Parenting, family meals, sustainable farming, camping, sports, stand-up comedy, live music, live performances. The main job of humans is to survive and thrive. The remaining tasks will be automated. We need good leadership to make this happen. Existing governments are obsolete. This will be an opt-in society. Free City. Network Nation.”
Who is Fan Xiao?
According to his LinkedIn profile, he earned a bachelor’s degree in computer science from Stanford University. He also holds a PhD in machine learning from Carnegie Mellon University.
He started his career as a research intern at Baidu US and then found a job at Google Artificial Intelligence. In 2024, he joined Elon Musk’s xAI and worked there for about a year. He joined his current company, OpenAI, in 2025 and has been working there for 7 months.
