-My goal in writing about this is certainly not to argue for _more sexism_—I'm looking forward to the postgender lesbian transhumanist future of Total Morphological Freedom as much as anyone else. (I already have my new name and outfits picked out!) If we can invent _new_ institutions and practices that serve more people more effectively, we should _do it_. But because I am a rationalist, because I cannot _unsee_ the cold, oppressive logic of [Chesterson's fence](https://en.wikipedia.org/wiki/Wikipedia:Chesterton's_fence), I have to speak when my friends resort to using facile, sophmoric word games [TODO: soften!] to obfuscate the _function_ of the existing fences.
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-In response to the argument that women's restrooms function as safe havens away from scary men [TODO: verify paraphrase], Ozy writes:
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-> I do not understand the relationship between this and psychological gender differences. It seems quite obvious that the relevant category here is "people who look like the vast majority of street harassers" versus "people who do not look like the vast majority of street harassers." The former group uncontroversially includes some trans women (closeted trans women) and some trans men (Buck Angel) and has nothing to do with psychology anyway. No matter how female-typical a trans man’s psychology is, if he has muscles like Chris Hemsworth and a beard like a lumberjack, he belongs in the men's room.
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-It has to do with _probabilistic perceptions_ of psychology.
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-[III. Ozy argues that "look like street harrassers" is the relevant criterion; I think this is overestimating the extent to which bad male behavior is an artifact of ideology
-"has nothing to do with psychology anyway"—it has to do with _perceptions_ of psychology; bystanders can't _know_ that feminine-androphilic trans man is one of them; you could imagine an alternative world in which human physiology looked the same but there was no history of male violence, but that's not our world
-I agree that everyone deserves a place to pee; let's talk about changing rooms
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-Finally, Ozy makes an analogy between social gender and money. What constitutes money in a given social context is determined by collective agreement: money is whatever you can reliably expect everyone else to accept as payment. This isn't a circular definition (in the way that "money is whatever we agree is money" would be uninformative to an alien who didn't already have a referent for the word _money_), and people advocating for a _different_ money regime (like [late-19th century American bimetalists](https://en.wikipedia.org/w/index.php?title=Bimetallism&oldid=864176071#Political_debate) or contemporary cryptocurrency advocates) aren't making an epistemic _mistake_.
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-I _really like_ this analogy! An important thing to note here is that while the form of money can vary widely across sociocultural contexts (from [shell beads](https://en.wikipedia.org/wiki/Wampum), to silver coins, to fiat paper currency, to database entries in a bank), not just any form will suffice to serve the functions of money: perishable goods like cheese can't function as a long-term store of value; non-fungible items that vary in quality in hard-to-measure ways (my bull might be younger or fitter than yours) can't function as a unit of account.
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-Because of these constraints, I don't think the money/social-gender analogy can do the work Ozy seems to expect of it. They write:
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-> Similarly, "you're a woman if you identify as a woman!" is not a definition of womanhood. It is a criterion for who should be a woman. It states that our social genders should be fully consensual: that is, if a person says "I would like to be put in the 'woman' category now," you do that. Right now, this criterion is not broadly applied: a trans person's social gender generally depends on their presentation, their secondary sexual characteristics, and how much the cis people around them are paying attention. But perhaps it would improve things if it were.
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-Following the money analogy, we could imagine someone arguing that our money should be fully consensual: that is, if a person says, "I would like this to be put in the 'dollar' category now," you do that. Right now, this criterion is not broadly applied ... and it's not easy to imagine how it _could_ be applied (a prerequisite to figuring out if perhaps it would improve things if it were). Could I buy a car by offering the dealer a blank piece of paper and saying, "I would like this to be put in the '$20,000 check' category now"?