Libertarianism is a joke.

It's the 21st century version of laissez-faire. Instead of the government raping our asses, it's the corporations. I'd rather have some form of regulation in capitalism than none. Notice how the areas that resembles libertarianism politics the most are the areas that are leeching federal money and relies heavily on manufacturing jobs. Way to take care of your population.

Capitalism has never existed in a nation state. The closest any system comes to capitalism are organisations within nation states such as that used by organised crime ranging from pirates to the russian mafia. Feudal lords were communist, the government controlled everything and forced all their serfs into collective farms which they were stuck in for life. The factory owners in Marx's day were fascist or national scoialist, a free market on the surface, but heavy corruption played out behind the scenes between people of economic and political power. Today's modern succesful economies are crosses between social democrat and free market, with varying levels of democratically authorised government intervention in an otherwise free market. Of these nations those closer to a pure free market have much lower levels of crime and poverty.