Those places have governments, just ones that, relative to the governments of advanced economies, are extremely small and barbaric. If we define a government a

Those places have governments, just ones that, relative to the governments of advanced economies, are extremely small and barbaric. If we define a government as a party with a localized monopoly on force, even an armed robber is a government. And if one doesn't define government this broadly, that still doesn't invalidate the libertarian argument, since it hinges on opposition to the initiation of force (aggression), as opposed to initiation of strictly government force.