"People outside libertarianism sometimes identify Objectivism and libertarianism as being almost the same, but my experimental, polycentric, consequentalist approach to libertarianism is pretty much the opposite of Objectivism. I do think Ayn Rand's glorification of self interest and people realizing their potential is awesome, and I understand how teenagers get swept up by her ideas. That's fine, as long as they grow out of them later :)."
That section continues with some summary points on flaws in objectivist thought.
The burden of the critic is to familiarize themselves with the material and persons they are making critical claims of.
It's not an appeal to authority. You made a claim about the thinking of members of the organization, I provided direct refutation from the publishing of the organization's chairman.