To copy and paste

RIGHT-WING LIBERTARIANISM is one of the most powerful ideological influences of United States of America…

“One gratifying aspect of our rise to some prominence is that, for the first time in my memory, we, ‘our side,’ had captured a crucial word from the enemy . . . ‘Libertarians’ . . . had long been simply a polite word for left-wing anarchists, that is for anti-private property anarchists, either of the communist or syndicalist variety. But now we had taken it over…”

Murray Rothbard

Why is it a surprise that these liberals, who hate anything 'authoritarian', insist on 'libertarians' to get things right?