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Culture War Roundup for the week of May 19, 2025

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I wonder if there might actually still be, even in our modern world, some major intellectual insights that future generations, once those insights have appeared, will think of as relatively low-hanging fruit and wonder why it took so long for their ancestors to come up with them, and wonder why their ancestors did not come up with them given that they already had every necessary bit of knowledge to come up with them, and maybe only lacked some spark of genius.

Some examples from history:

  • Calculus - You can teach this to any decently intelligent 17 year old kid nowadays, but, while there were some remarkably close predecessors to it in ancient Greece (the method of exhaustion), it was not formalized as a rigorous concept and method until about the 18th-19th centuries.
  • Antibiotics - As far as I know, there is nothing about penicillin as an antibiotic agent that could not have hypothetically been developed and systematized 2000 years ago - this would not have required any modern technology. To be fair, there may have been ancient cultures that had an intricate knowledge of plant-derived drugs and so on that are at least relatively comparable... but to my knowledge, none of them developed something like modern antibiotics, which revolutionized the world and basically immediately did away with the whole literary genre of "lonesome poet dies at 30 from tuberculosis".
  • Free markets - It seems at least plausible these days to many decently intelligent people that free-ish markets (too much freedom in markets has its own problems but...) serve as a good communicator of economic information, and that this can help relatively free market economic systems at least in some cases to outcompete central planning (there are many other factors involved of course, but this is one of them...). I'm not aware of anyone having had this kind of hypothesis until a few hundred years ago. But it's the kind of idea you can explain to a decently intelligent 17 year old kid nowadays, it's not something that requires mountains of highly specific knowledge to grasp.
  • Natural selection - The idea that the combination of survival pressure and reproduction will over time cause better-adapted entities to out-reproduce worse-adapted entities is so logical that one can demonstrate the truth of it through pure mathematics. But as far as I know, it did not become a popular explanation for the evolution of living beings until about 170 years ago, even though people 2000 years ago were both familiar with so-called artificial selection (breeding of livestock and so on) and probably had the intellectual background to understand the concept of natural selection mathematically (people who were advanced enough mathematics thinkers to create something like Euclid's Elements certainly had the raw brain-power to model natural selection mathematically, if a certain spark of genius had struck them).

It makes me wonder what kinds of insights might be lying around these days, which future generations, if we do not discover them, might wonder what took us so long.

Free markets

I suspect the reason free markets took so long to catch on is that the most valuable commodity in human history does not respond particularly well to free markets - namely, annual staple crops.

An ideal free market good is fungible and does not spoil, easy to transport, and has flexible supply and demand. Excess goods on the market can be absorbed through lower prices and reduced production, while deficiencies spur increased production through higher prices, resulting in rapid recalibration towards efficient prices for the good.

Staple crops are obviously not like this at all. They spoil fairly rapidly if overproduced (mostly through pests eating them), and excess food is worthless at any price - a person can really only carry so much fat on them. Meanwhile, underproduction is a literal life-and-death affair, and bringing the goods to market a few months late is going to be less profitable, because everyone involved is dead. To reap crops you need to sow them well in advance, and even when you do, you really have very little control over what is produced (good year? Bad year? Who knows?). Even with all that in mind, most people are self-producing anyway, so the “market” would only be skilled labor and up, which is what, under 10% of the population? Finally, they’re really not efficient to transport on anything but a boat, and even then it’s somewhat risky and therefore expensive business.

So the right model for staple crops is a lot less free market and a lot more risk mitigation. Most of that risk mitigation is decentralized, but central authorities were very interested in helping out, like the Roman dole or the Egyptian granaries. Either way, there’s more demand for theory on agriculture, harvests, and models of good and bad kingship than for free markets, and that’s exactly what we get for most of history.

It’s only once advances in European sail coincide with the durable products of flexible industrial manufacturing to create new centers of value that the free market becomes a more relevant abstraction, and just at that point, the theory emerges to explain why merchant powers are dominating the old land-bound interests. C’est la vie. (I’m sure the spice trade factors in too.)