It is fake debate wherein husband-wife team arrive at their pet conclusion that the Enlightenment of the eighteenth century, furthered by heirs such as Dennet, Dawson, as Pinker himself, has made the world a better place. There is not much to argue about on the video itself unless one knows Pinker's philosophy.
No doubt the Four Horsemen would not claim so much, even if you do so on their behalf. Very noble of you - and rather trite.
Who doubts that "reason is the single most important driver of human moral progress", except that I see no reason why evolution should have granted us objective reasoning power.
Apart from reality doing so? When some discovered the apparent (and correct) reasons for certain behaviour over the mystical and fantastical?
Also, reason cannot reason in vacuum. There needs to be an inbuilt standard of comparison and a mechanism to discern deviation thereof. Pinker's denial of such a moral compass in the religions and in the Middle Ages is blind bias.
So some religious beliefs are supposed to trump reason?
Furthermore, Pinker's statistics that purportedly shows great advancements has been questioned by historians as biased and selective. He uses 'proportion of total population' as a measurement criteria to claim that a man would be 35 times more likely to die a violent death in the Middle Ages compared to the present time. Critics have shown how naive Pinker's arguments are.
The limitations of Steven Pinker’s optimism
John Gray: Steven Pinker is wrong about violence and war
Unenlightened thinking: Steven Pinker’s embarrassing new book is a feeble sermon for rattled liberals
The Precious Steven Pinker | David Bentley Hart
Finally, Pinker himself is not convinced that his 'statistical advancement' has led to any increased happiness.
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Believe what you want but as I have always stated - would you want to live in any earlier time - especially not knowing where exactly in any society one would be placed? I hardly think so unless one was extremely foolish.