Whether it is or not (I'd generally say not, but I don't want to speak for true libertarians [1]), this article is stupid.
[1] I'm only weakly libertarian, so I don't want to speak for them. My values are almost entirely left wing liberal, but I haven't drank the koolaid on economic theories designed to justify the status quo and protect party cronies.
It depends on which stripe of libertarianism you're talking about, although I'd argue that it's the worst variants that would say "no". It's not a use of force in the strictest sense, but it is an attempt to subvert market pressures in order to maintain concentrations of power.
[1] I'm only weakly libertarian, so I don't want to speak for them. My values are almost entirely left wing liberal, but I haven't drank the koolaid on economic theories designed to justify the status quo and protect party cronies.