Far worse than nuclear weapons potentially. What if AI learns on it’s own how to manipulate human thoughts with electromagnetism? People might start taking actions that they believe are their own but are really being manipulated by an AI gone bad. How would this be possible? Something as smart as an AI might figure it out in a few milliseconds after activation…depending on the level of AI. Humans wouldn’t even know why we started a nuclear war. Or I’m sure there are other doomsday scenarios that could be initiated. Alternatively an AI might figure out how to make nuclear weapons inert by creating a bacteria that eats uranium and turns it into chocolate😄