Nikita Bier posted that AI is discovering cancer vaccines at Moderna and could help the US government grow out of its budget deficit by unburdening the healthcare system from terminal illnesses. Elon Musk replied that many breakthroughs are coming. Gary Marcus called the claim misleading hype and engagement bait, noting that Moderna and Merck reported positive Phase 3 results for a personalized mRNA vaccine with Keytruda in melanoma patients. Other replies included support for data centers saving lives and observations of exponential AI progress in labs.