Even the most liberal Nozickean voluntary society existentially requires a mechanism to limit granting of membership to those who genuinely uphold its values, a

Even the most liberal Nozickean voluntary society existentially requires a mechanism to limit granting of membership to those who genuinely uphold its values, and limit intrusion and abuse by those who do not. The literature you linked shows that DHH is cognizant of Popper's Paradox and is willing to defend liberalism from exploitation.