It is not conclusive proof of a doctrine's correctness that its adversaries use the police, the hangman, and violent mobs to fight it. But it is a proof of the fact that those taking recourse to violent oppression are in their subconscious convinced of the untenability of their own doctrines.
Ludwig von MisesAll people, however fanatical they may be in their zeal to disparage and to fight capitalism, implicitly pay homage to it by passionately clamoring for the products it turns out
Ludwig von Mises