Does evolutionary biology weaken left-liberal views?

An interesting review of Steven Pinker’s The Blank Slate suggests that a better understanding of biology does not damage the prospects for social engineering, “The more we understand our nature, the better we’ll be at nurturing.” Here is one lengthier bit:

Contrary to what its critics say, evolutionary psychology does not threaten our ability to assess and transform our social and cultural landscapes. Quite the opposite–understanding the particular channels that we’re prepared to learn can throw into sharper relief the achievements of culture. Knowing something about our reproductive drives and our tendencies toward violence makes the extraordinary drop in murder and birthrates experienced by many Western countries over the past few centuries all the more impressive. And just because our mental modules are implicated in political issues, that’s no reason to hand over our societal reins to the evolutionary psychologists. To include biological explanations in a discussion of human society by no means eliminates the validity of other kinds of explanations. What Pinker and E.O. Wilson are proposing is not biological determinism but rather biological consilience…

This is half correct. Future social engineering, if done with noble motives and an informed basis, will have a better chance of succeeding a century from now. But I have long felt that the “public choice” critique of social engineering — you can’t trust people, especially not politicians — carries more weight than the informational critique. Scroll down one post and read my remarks on the all-too-frequent lack of meta-rationality as well, or scroll up one post and read about the prosperous marvel that is North Korea. And evoloutionary psychology suggests that, short of genetic engineering (not the topic at hand, and besides, who do you trust to do that?), human nature is not about to change anytime soon. So score at least half a point against social engineering, which should make Michael happy at