These examples aren’t generally voluntary once implemented. I can’t get a refund from my public library or parks department if I decide not to use it.
The social pressure placed on The Engineer is the manifestation of law. That’s all law is: a set of agreed-upon social contracts, enforced by various means.
Obviously, many dictators and governments get away with badly mistreating their subjects, and that’s unfortunate, shouldn’t happen, and shouldn’t be praised as a good system.
I think you may be splitting hairs a little bit here and trying really hard to manufacture…something.