The argument given by Rand is epistemologically sound. A is A. Rational selfishness is far superior to altruism. It can be proven metaphysically. It doesn’t matter that you don’t like it because the nature of reality exists whether you recognize it or not.
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No, Rand is the one who fails to recognize spiritual reality, and creates a fantasy.
In her defense, I am convinced she was sexually abused as a young child in the USSR. This is almost always true in the case of Borderline Personality Disorder.
She is a textbook case. Brilliant mind, but in denial of much that is human (because it is too painful), attempting to substitute an intellectual construct (which then must be psychologically defended) for God. Her psychosis is very evident in the clip you provided, as well as the personal history I mentioned earlier.
If everyone followed Ayn Rand’s teachings, there would soon be no more people.