One point to take note of is that the GP already knows the fact you're describing. He just chooses not to believe it. He resents the implication that libertari

One point to take note of is that the GP already knows the fact you're describing. He just chooses not to believe it. He resents the implication that libertarians are delusional, and says that they "know reality". But then, attempting to buttress his realism, he implores the audience to "imagine" a world where everything works according to his will, or "imagine" a promised land just around the corner, or "imagine" this or that. Religious cognitive dissonance is fairly weird.