How has the Left had so much success in a nation that was the direct byproduct of classical liberalism? By controlling the narrative and leveraging that status for political power.
Though he was generally a Ricardian, John Stuart Mill thought that the main obstacle to socialism is that people might not yet be civilized enough to put it into practice.
If you say to someone that he won’t get what he is aiming for by using the means he has chosen, you aren’t making a value judgment yourself. You are making a strictly scientific statement.
By abolishing private ownership for production goods, socialism abolishes the market for them, and makes it impossible for market prices to emerge and for costs of production to be computed