I'm sure there are always going to be individuals that will claim that they're better at everything, but that doesn't really mean anything. There are people that believe in a flat earth as well after all
Why the non-relational databases keep getting reinvented has been a bit of a mystery when there is already a rich history of development to look to. I get the feeling a lot of the industry isn't much into history, especially of pre-micro computer systems.
Network databases, key-value stores, graph databases, commercial offerings like Pick... you'd think the NoSQL people would have looked into it all before proclaiming their new found solutions, but apparently not.
He is paraphrasing: "Those who cannot remember the past are condemned to repeat it." - George Santayana, The Life of Reason, 1905.
That inspired René Magritte to paint this: https://americanart.si.edu/artwork/those-who-cannot-remember...
Making the connection to events in our lifetime: https://hankeringforhistory.com/those-who-cannot-remember-th...
(edit) Some more reflections on it: https://blog.rtcx.net/remember
This reminded me of the writings of a german Philsopher, Heidegger maybe? The proposition was, that development happens in cycles similar to a pendulum swinging while moving upwards. Thesis and Antithesis leading to Synthesis.
That argument was more usually a straw man than a good faith belief.
On the other hand the belief that SQL will solve all our problems seems to be legitimately held by some people.
