Awww... This thread was amusing,
because Abegweit was the only absolute anarchist around. And now I can't discuss with him.

I don't believe in the feasibility of such anarchism but actually (grudgingly) admire how he consistently sticks to it. Unfortunately for such anarchists they're never popular and never know when to stop shooting own foot.
Going back to when the discussion when actually something worth discussing:
Taxes
are extortion. They were outright extortion originally (guy with army sends it around to extort taxes; guy pays army out of taxes; rinse and repeat), they are still extortion now because
force will be used to extract them from those who receive a tax bill and don't
legally somehow avoid it. There are lots of tax avoidance schemes, especially for the most powerful people, but try just not paying them and see what happens.
But at least we now usually get something worthwhile from taxes, not just a tax collector and a group of soldiers. So for most people it's regarded as an agreement, and not really an issue. But technically if someone says taxes are extortion I feel I must agree.
Now, can we discuss, perhaps, if they are
theft? Of if the fact that because where a state exists the state takes over the authority to define what is property makes it no longer a theft?