One cannot beat these leftists ever since they declare that your logic is a mere faith, that you live in a Platonic cave and that everything that seems reasonable in your mind is nothing but a cognitive haze.
Moreover, observe how they regard Objectivism "a religion" or "simplistic and populist" and by means of what arguments (more correctly: slogans, no self judgement) and the weapon conformity ("Oh, look at these, they claim that the individual is the means and the end, but it is opposed to my very opinion, so that I will invest in not loving that as well as sharing that in public") they do that: that is, no philosophical claims on the ideas as they are (or rather no philosophical claims in general.