You're right, it's all stimulus. If we carry this further, would it be okay to one day feed a VR of some very disturbing experience as "prison"? Or for that mat

You're right, it's all stimulus. If we carry this further, would it be okay to one day feed a VR of some very disturbing experience as "prison"? Or for that matter, administer some drug that frightens you enough to induce negative feedback? Drugs are already used for the death penalty. It's not that far off.