It points out one critical difference, perhaps the critical difference, between liberals and conservatives.
Via Digby, a post by David Atkins (16 Jan 2012)
MLK: "Life's most persistent and urgent question is: 'What are you doing for others?'"
Ayn Rand: "If any civilization is to survive, it is the morality of altruism that men have to reject."
Atkins then comments:
Conservatives get to claim one or the other. They can't have both. And if they pick door #2, they can't have this guy, either.
I can't add anything to that. When somebody else nails it, you quote and offer thanks.