“More relevantly, the revelation that Frank is Frances and that she became he because of a homegrown science experiment connects us to the practice, widespread in the Culture, of voluntary sex change. The difference in circumstances—in the Culture, the change is always completely successful, entirely reversible, and bioengineered inside the individual from birth—lies at the heart of Banks’ conviction that the ability to switch between genders at will is essential to the creation of a more just society—once one has lived as both man and woman, misogyny becomes substantially more difficult to embrace.”