To me a libertarian is just anyone who thinks everyone is, and should be, a sociopath, and build their views off of that. Although they prefer the term "self-in

To me a libertarian is just anyone who thinks everyone is, and should be, a sociopath, and build their views off of that. Although they prefer the term "self-interested rational actor". Or they might not even admit that terminology, but if you dig into their views they will reduce to it even if they don't realise that themselves. Of course it's well known by now, and even most modern economists have accepted this: the vast majority of people are not in fact wholly self interested. Though they are still rational in the sense that preferences are transitive.