I haven't said anything about whether the demo was appropriate or not. Just the behavior.
If it's an unconscious tick over and done with, much like a blink of an eye than it's not comparable to your beating someone up which would take this hypothetical compulsion of yours and render it into an act spanning minutes.
"We are not evolutionary automatons, we can override our programming at will."
Let me know how successful you are to not blinking, or not having goosebumps, or not feeling ticklish, not having a reflex, not being averse to certain odors, ...