Here, in a nutshell, is why using AI for military purposes is worse than dangerous:

If you ask it for a plan to attack something, it will never respond "that's bad idea, don't do it."

@petergleick I've gotten LLMs to give me a detailed plan to get humans to Alpha Centurai by 2030. I suspect any war planning will be just as realistic.
@craignicol @petergleick No you push a USB stick with a laser.