Right now, we (as a society/industry) are unable to deploy well-known best practices of 5 years ago:
https://www.martinfowler.com/bliki/EditingPublishingSeparati...
(In software development, it is even worse. I can't find the source to cite, but the saying is along the lines of: The mainstream programming languages and paradigms are mostly at the state of research of the 1970s, and right now we are evolving towards the state of research of the 1980s.)