My understanding of the “Virtue of Selfishness” is that morality is second fiddle to rational individualism, and that is why any argument for the ‘baby’ must resort to moral argument and is not classic libertarianism.
This is why I’ve never trusted libertarianism.
Ayn Rand's 'objectivism' as outlined in Virtue of Selfishness is an extreme form of libertarianism. I'm not a libertarian. I'm a Christian conservative. Ayn Rand is a witch. ;-)