Mark Darrah worked on a bunch of classic RPGs and has an interesting retrospectives series as well: https://youtube.com/playlist?list=PLN8wmKeck6fe0jtibONfIWzpY...

The Anthem one is very long, but is a really fascinating portrait of cultural misfunction. The biggest factor to me was the entire design was dictated by the 'ghost' of Casey Hudson. His initial high-level vision was sacrosanct, but he also was not around to actually clarify anything or take feedback from development since he had already left the studio.