I write about it here:
https://littlegreenviper.com/miscellany/forensic-design-docu...
https://littlegreenviper.com/miscellany/evolutionary-design-...
I call it "Paving the Bare Spots": https://littlegreenviper.com/miscellany/the-road-most-travel...
For myself, I think that firm architecture diagrams aren't very good. I think that we need the ability to generate one "on the fly," and this is kind of doing that. Not sure that this is the solution, but it's in the ball park.