They aren't making any judgement about the moral quality of the law or enforcing it. Just that the law can't really constrain you if it isn't enforced on you.

They aren't making any judgement about the moral quality of the law or enforcing it. Just that the law can't really constrain you if it isn't enforced on you. If you have some way of getting the law enforcer to ignore you than you don't really care what the law is