Repetitive motion sequences lead to comfort and non-thinking, questioning. Simply like a machine.
Yup, that's the unthinking, automatic, unconscious, involuntary modality ;)
People can tell others what is moral, and they need to explain it so that's the understanding is demonstrated as truth ;) Blindly accepting what others claim is moral is indeed not wise. You don't need to experience every immorality in order to know it as such ;)