It works for all-quantified statements about sets of size one.

Ok, then show us those prosperous everybody-equal societies. Just one will do.

A counterfactual is not the only way someone can point out a flaw in logic, and trying to force someone to present a counterfactual when pointing out flaws in one's own logic in this case is more or less an intellectually dishonest attempt at dodging the point made by the parent.

Look around your dwelling. It's full of stuff made by companies, not the government.