Moreover, even if the analogy between racial segregation and sex-separation held, it would not support gender self-ID. The solution to racial segregation was not to allow some whites to identify as black, and vice versa, but to integrate. Someone who truly believed that the physical differences between male and female people who declared the same gender identity were so trivial that only a bigot would notice them would logically have to support a unisex world. They would not argue that sex-separation should stand while sex became a matter of self-declaration.
