Single Responsibility was written about nearly 40 years after cohesion was grafted into software design from an actual architect's (like buildings and cities, absolutely not software o doctoral thesis.

"That kind of thing is now so known that it doesn't really need talking about, like you don't really need to endlessly discuss the database normal forms like people did in the 00s."

Has humanity progressed so much that we no longer forget the lessons of the past?

That would indeed be a good thing but I am not so sure of it.