Ayn Rand was cut from the same cloth as Sanger.     Once the science of basic genetics emerged, then it challenged the social orders of that time.  It was believed even then, correctly, that people would be able to make choices about the most desirable traits for their children, or maybe for the state, or nation.   It's a horrifying thought to me.  Who is smart/wise enough to make such a decision?

Scientific knowledge grows and expands at a much faster rate that human culture can keep up with.     I wonder what questions our grandchildren will be facing?