Comment: So in your libertarian ideal, there would be no courts?

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In reply to comment: Therein lies the difference.. (see in situ)

So in your libertarian ideal, there would be no courts?

You can have courts in a libertarian, even in an anarchist paradise:
Biz poisons the air,
You bring suit,
12 peers agree with you, issue an order,
and you bring the posse to make them stop.

Perfectly libertarian.

VS NOW
BIZ poisons the air,
You bring suit,
Biz cites gov regulations allowing the poison,
Suit gets dismissed.

Courts and government are not the same thing. They have completely different origins and purposes. A Government will take over a society's courts once it has achieved dominance, but courts can exist perfectly without government.