Finally, just as it is metaphysically impossible to “preserve” our species from further evolution, it is impossible for us to control the process “from the inside out”, because the genetic constitution of our species is shaped by environmental forces of selection beyond human abilities to control or even, as the phenomenon of emerging epidemics continues to illustrate, anticipate. Moreover, as disability studies scholars point out, humanity is in no better place to decide which human traits deserve promotion today than during the heyday of the Eugenics movement, even if society could tolerate the kinds of reproductive policies it would require to manage just the human part of the evolutionary equation. The striking correspondence between the aspirations of old style Eugenicists and some proposals of contemporary Transhumanists, unfortunately, provides some evidence to back up this claim (Sparrow 2011). Such proposals assume that some genotypes represent “jewels in the genome” (Sikela 2006) while others constitute a form of expensive “toxic waste” that could and should be cleansed from the gene pool (Buchanan, Brock, Wikler, and Daniels 2000). According to critics of transhumanism, this way of thinking reduces the identities of people to their genotypes, and undermines our commitment to the moral equality of people despite their biological diversity (Asch and Block 2011).