In your example, who's paying for it? Whether by providing the hardware + power or paying a LLM service. Whoever is paying the maintenance cost is responsible, in the event of your demise. These things run on physical hardware owned by someone at the end of the day, it's not a deity in the atmosphere.
You're starting the autonomous harness, you're responsible for any output it provides. I don't get how this is a foreign concept.
If I jump out of a moving car that I'm driving, I'm not suddenly absolved from damages because "the car did it"