No government is a threat to everyone. I should mention the libertarian paradise, Somalia. Ah, fair Somalia, where there is no government to interfere with the individual.

Libertarians will claim that Somalia has nothing to do with libertarianism, and linking the two is a sore point with them. They claim that it isn't true libertarianism, it's anarchy. True libertarians believe in just enough government to protect private property and personal safety; without those protections, they argue, anarchy ensues. The problem is that they cannot point to even one current or historical example of a government that functions as they imagine it should. They have no real world examples, so they ply their arguments as a theoretical construct.

Every example of places with little centralized government is dismissed by libertarians as an anarchistic situation, not a "true" libertarianism. It's the "no true Scotman" fallacy, Ron Paul edition.