Generally as lies wrapped in lies. You can use the same techniques to push a falsehood as well. Which is not to say Rand did not actually believe her message — she did, which is why the books are so effective. But they have given the upper class an exaggerated sense of their own importance, and a conviction that government only stands in their way. Meanwhile over in reality, the more a state is run by oligarchs, the worse a place it is to live.