> One AI hallucinated and caused the incident

I suspect that AI was prompted to create the image, not that this was an incidental "hallucination".

Cynical-me suspects this may have been a trial run by malicious actors experimenting with disrupting critical infrastructure.

There is precedent for state actors putting a lot of effort into a hoax like this: https://en.wikipedia.org/wiki/Columbian_Chemicals_Plant_expl...