like a moth to the flames

Other materials at the time, namely clay, would absorb flavors and germs meaning that if you ate beef off a clay plate your next meal with that plate could have beef flavor and microbes common on cow meat on it.  That would leak out seemingly at random no less.  Heck imagine a sick person coughing into their soup bowl and then months later their germs hiding in the clay would pop out to infect whole new people.

Also the earliest human use of glass we know of is for its sharpness.  Pre-historic people would use volcanic glass as sharp knives for food preparation.  Also beads.  Pretty much any new substance humans get their hands on for most of our history we immediately try to make into beads.

A census can understand population level trends just fine without storing your assigned sex as part of your legal identity. They can ask for this information in the census. The census tracking population level data is not the same as your assigned sex being permanently part of your legal identity. (At least, the way my country does a census.)

Your doctor can know your anatomy by you communicating it to them if/when it is relevant. There is never a time when they might need to know something that could only be conveyed by your assigned sex being officially relayed to them via government documentation. You can just use your words. The same way you tell your doctor any other part of your medical history.

People respond to "the government doesn't need to store your assigned sex as part of your legal identity" as if they are hearing "no one should ever acknowledge gender or sex at all" but that's not what's being said.

Your birth certificate conveys important legal information about you. Your name, as a designation. Your parents, as they have a legal obligation to you. Your place of birth, as that place has a legal obligation to you. Date and time of birth, since age is important for application of some laws.

And sex. That's on there too. But what is the legal relevance? What laws is the government going to apply to you differently based on what sex is on your birth certificate? I can only think of one thing my government really uses that for, and that is to determine who has to sign up for the draft. And guess what, fuck that shit anyway. The government also used to use this to decide who is allowed to marry who. They don't do that anymore. For now.

For personal context, before I went to the '98 Burning Man festival, one of the things I'd read from a couple different journalists was that "everybody" runs around naked. Which, fine by me, I'd already spent a lot of time in clothing-optional spaces, I'm not fanatic about it but it's nice.

So I got there early and set up a public shade structure on one of Black Rock City's main roads and spent most of each afternoon just watching the crowds go by. I don't remember seeing more than one actually naked person the whole week. I think a topless woman passed by my intersection maybe every half an hour, sometimes once an hour. So why in the hell were people, normally pretty smart and observant writers, coming away with the impression that everybody was naked?

Then I remembered an unrelated passage from Joel Garreau's great book about the history of the outer-ring suburbs, Edge City. Mall developers told him flat-out that they tried to keep the crowds in their malls less than 5% black. Not because they themselves were racist, but because they had determined, experimentally, that if more than 5% of the people in the mall are black, the median white shopper will wrongly describe the mall as at least half black, as mostly black. And not a few of them would describe it, at 6% black, as a mall where "only black people go." Why?

Because, emotionally, they were still upset over the last one when the next one came into view.

Teen Titans #20 by Geoff Johns