80/20 thinking is a way to achieve more from less. Strive for excellence in a few things rather than being good-enough at many. Stop worrying about the 80% that does not yield you any result. Instead focus on the 20% that do.
At RazorpayX, we have a scheduled RCA meet every Thursday. We practice blameless postmortems and analyse the issues in-depth. This article outlines some things that I have learnt on how to make RCA meetings productive