Ayn Rand sucked at life. Her books were garbage and no one loved her, not even Rothbard. Also, "If there's one thing that will not be tolerated here, it's imprecision of language."
Harvey Beardman (Atlas in the metaphor) is the businessman with the world on his shoulders, so he decides to shrug off moral obligations and pursue "the virtue of selfishness." Atlas shrugs, ignoring the ecological impact of his actions and engages in selfish profit-seeking at the expense of the environment and the community.