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Culture War Roundup for the week of April 10, 2023

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What does Natural Law have to say about population-specific human traits, or individual mutations, which are adaptive in one environment but maladaptive in another. For example: dark-skinned descendants of American slaves, after moving to the northern half of the United States en masse during the Great Migration, found that they and their children and grandchildren were suffering high rates of Vitamin D deficiency and related debilitating conditions such as rickets; their highly-melanated skin, optimized by thousands of years of evolution to block out the oppressive and omnipresent African sunlight, could not effectively absorb the far more limited sunlight available in the cloudy and dark Northern winters. What had been an extremely advantageous trait in one context became an equally disadvantageous trait in a different context. And in the mirror-image counterpart to this scenario, Israel, until very recently, had the highest rates of skin cancer in the world, as a result of a largely Ashkenazi Jewish population - genetically mostly descended from pasty-skinned Central/Eastern Europeans - being transplanted to a very sunny climate. To this day, Australia does have the highest rate of skin cancer in the world, for very similar reasons.

Another example is something like the cluster of mutations that make someone like Yao Ming, or Giannis Antetokounmpo, two very abnormally-tall NBA players. Yao Ming’s extreme height, and Giannis’ massively long arms and enormous hands, make them ideally-suited to play modern NBA basketball. However, these same mutations would come with debilitating drawbacks in a different environment; firstly, the massive caloric load needed to feed them would make them extreme burdens in a harsh environment where food is scarce; their height would also be a massive disadvantage in, say, the Amazonian jungle, where they would constantly be smacking into trees, alerting predators and prey alike. In Yao Ming’s case, he also suffered from a number of injuries to his feet and ankles due to the extreme pressure out on his lower body by his height, significantly shortening his career. These men are very fortunate that they live in a period of human history wherein their atypical qualities could be harnessed into blessings, instead of being life-threatening curses. And on the flip side, the vast majority of Yao’s countrymen in China evolved to be significantly shorter than the global average, since they evolved in the frigid climates of Siberia, where a short and compact body allows for the optimal distribution of body heat. (The “yellow” complexion we associate with East Asians is also a result of the evolutionary pressure created by this same environmental history; it’s due to a thin layer of subcutaneous fat optimized similarly for preserving body heat.)

So, is it “natural” for humans to be dark-skinned, or to be light-skinned? And is it “natural” for them to be tall, or to be short? These questions are unlike questions of the type “is it natural for humans to be healthy, or to be sick?” While some human traits/conditions are purely negative - it is strictly worse to have a flu than it is to not have a flu, and it is strictly worse to have no legs than it is to have two legs - many traits and conditions provide complex sets of tradeoffs, and sometimes whether or not a trait is good or not is entirely context-dependent. Autism, at least of the high-functioning “Asperger’s” variety, is another extreme example of a particular way that some humans are, which provides both massive benefits and significant penalties, both at the same time. I don’t really have a good idea about what Natural Law has to say about those sorts of things. Maybe the sorts of traits and mutations that would be extremely advantageous for human beings trying to survive the ravages of long-distant space travel would be horrendously disadvantageous - even monstrous - here on earth.

I also think it’s amusing that you brought up dogs in the context of Natural Law, given that *nearly every extant dog breed in existence is the profoundly unnatural result of a millennia-long project of directed/molded evolution orchestrated by humans, which has produced bizarre chimeras which could never have emerged in Nature, and which bear essentially no resemblance to their ancestors of even a century ago in some cases. There are no wild pugs or lhasa apsos. The bulldog and the chihuahua are nothing remotely like wolves, nor are they all that much like each other. Do advocates of natural law look at a dachsund and feel existential Lovecraftian horror at the blatant perversion of the natural order which such a creature represents? Think what had to happen to turn a wolf into that!