Well, you establish a precedent that if I have the power, I get to take what I want. That's always been enforced. That's human nature. We've constructed a kind of elaborate series of rules, theoretical rules designed to pretend that's not true and to mitigate it to some extent over the last eighty years.
Crime, including robbery, rape, and murder, is also “human nature”, so by Cucker Tardson’s logic, the criminal justice system and, by extension, civilization itself, are mere pretenses for denying the truth of this. What do you even need “law and order” for? Time to go back to the jungle, you silly kook! I’m sure there are plenty of friendly bullet ants, vipers, leopards, caimans, and sloth bears who will be very interested to hear what you have to say about power. I’m confident you’ll last… for about 3 hours, if that.