Actually, we DO live in a libertarian society. People who rule other people through deception are using their freedom to do it. People who do not fight off those who deceive them are using their freedom to live that way... or to die because of it.

Consider being a hostage in a hostage situation. Your captor points a gun at your head and says, "Do this immoral sex act, or I will kill you." Now it is your turn to select your government. Is your government going to be your captor? Or is it going to be your morals? You are free to decide. If you accept your captor as your government, your choice. Pure libertarianism... at least on your part.