For example, the _function_ of sex-segrated bathrooms is to _protect females from males_, where "females" and "males" are natural clusters in configuration space that it makes sense to want words to refer to.
all I actually want out of a post-Singularity utopia is the year 2007 except that I personally have shapeshifting powers
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+The McGongall turning into a cat parody may actually be worth fitting in—McCongall turning into a cat broke Harry's entire worldview. Similarly, the "pretend to turn into a cat, and everyone just buys it" maneuver broke my religion
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