100%. We have built-in faculties for stopping and halting. My point wasn’t that humans physically need a monitor to determine when to stop or else suffer an infinite loop; sleep, eating, and death are perfectly effective at that. I was making a bit of a joke in the efficacy of agents being subjective around halting. A classical or quantum agent might go on forever to solve its goal, getting stuck and needing an outside monitor to reset or redefine it. Contrast that to a human agent; given a goal, they might never even try to solve it in the first place! Without outside monitors, systems of human agents may not start when needed or halt when optimal yet we’ve kept it going for thousands of years!