My guess is that the author of this article has never read Rand and never has plans to. Consider the fact that by the sixth sentence of the “article”, he has already demonstrated a complete and utter misunderstanding of the foundation of Objectivist epistemology.
I guess that’s what happens when you do all your research on the internet instead of actually reading the source material.
Objectivism is not about 'self-interest' in the material sense.
It is about living one's life according a moral code that is objective, that is based on the nature of reality itself.
She rejected any attempts to fake reality by appealing to feelings, wishes, or whims.