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Peter Frost's avatar

Steven Pinker argues that we humans have advanced by refining our capacity for reason, by creating institutions that incentivize the struggle for truth, and by becoming morally committed toward "human flourishing as the ultimate good (rather than religious dogma, national glory, and other distractions)."

First, let's be precise in our language. By "humans," we're not talking about all humans or even a majority of them. We're talking about a trajectory of cultural evolution that began among Western Europeans and which spread to the rest of the world. This spread was not a passive diffusion of Great Ideas. Western Europeans literally took over the world, and they still dominate it economically and politically.

Second, we now have good evidence that this trajectory of cultural evolution acted as a template for genetic evolution. We humans adapt to our cultural environment just as we adapt to our natural environment. More so, in fact. This is why genetic evolution sped up more than a 100-fold some 10,000 years ago. By that time, our ancestors had spread into every natural environment from the Equator to the Arctic. They were now entering an ever-wider range of cultural environments. Culture was deciding who got to live and reproduce. We were creating culture, and culture was recreating us ... through natural selection.

We see this gene-culture evolution in ancient DNA, particularly in alleles associated with cognitive ability. Over the past 10,000 years, mean cognitive ability has increased — not at an even rate, and not in all populations. Cognitive evolution has proceeded in fits and starts, and at different rates in different populations. It has happened through humans pushing the bounds of their phenotypic envelope and thus creating a new cultural environment with new cognitive demands. Cultural evolution and genetic evolution have thus been advancing in tandem.

Or regressing in tandem. When we look at ancient DNA, we see not only advances but also retreats. There have been two cognitive retreats in human history. The first one happened during the Imperial Era of Rome, when fertility collapsed among the elites. The second retreat began to happen around the turn of the 20th century and is still ongoing.

I won't bore you with more details. Suffice it to say that human progress does not take place solely in the realm of culture. Or ideas. Or politics. It also happens in flesh-and-blood humans.

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Graham Cunningham's avatar

A great philosophical joust this. I too am - overall - an admirer of Steven Pinker but also have my own criticism's of his qualified (but perhaps insufficiently qualified) faith in 'Progress' as I argued in this 'Are We Making Progress?' essay a few years back: https://grahamcunningham.substack.com/p/are-we-making-progress

"Progressive vs conservative intellectual discourse was given an apparent sharp tilt to the left a few years back by the publication, in 2011, of Steven Pinker’s widely acclaimed The Better Angels of Our Nature – a tour de force of evidence-rich, cheerfully eloquent prose that sets out to demonstrate that we - mankind that is - are becoming progressively less violent and that this trend can – albeit with some temporary reversals – be traced all the way back to the dawn of civilisation. In a clutch of enthusiastic (sometimes ecstatic) reviews, right across a spectrum from The Guardian to The Wall Street Journal, the book was cited as a philosophical game changer.

But the hype surrounding it perhaps accords Better Angels a philosophical significance that it does not necessarily have. Arguably it postulates what is in effect a giant Aunt Sally (that most people have a misplaced pessimism about the future) and then mounts an 800 page demolition of it..... The really skewiff thread of the argument is when he starts to speculate (about 600 pages in) that his statistics on the more recent downward trends in violence can best be explained as resulting from the so-called ‘Rights Revolution’.

Mankind may be progressing but that does not mean that this is down to our much vaunted 19-21st century philosophies of Progress. Pinker is one of those who take the recent ‘Rights Revolution’ (one of his ‘Six Trends’ that help to account for the decline of violence) entirely at face value. A campaigner for Social Justice is, to Pinker, simply driven by a desire for ...social justice (whatever that might actually mean). Gay-Rights and anti-Racist campaigners are simply dovish souls just wanting to be accepted for what they are. The conservative however is likely to also detect a souring whiff of cant; he notices the champagne in the socialist, the thought-policeman in the Gay Pride marcher, the racist in the anti-Racist, the have-your-cake-and-eat-it coquetry in the Cosmopolitan feminist.

On the other hand I also acknowledged in my essay that:

"For any reasonably educated, reasonably sane, citizen of any Western nation – anyone with even the most basic grasp of history and flimsiest awareness of what are currently the worst places on earth – it would be curmudgeonly not to recognise that life for us is pretty good and has been for a good long time. The more reflective might ponder whether the quantity of human happiness does actually expand to fit the quantity of propitious circumstance or whether happiness is more in the way of a self-levelling constant. But this sort of mind-game too is not, in itself, unpleasant."

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