I would recommend this free chapter from the book Rethinking Productivity in Software Engineering https://www.researchgate.net/publication/332916053_Removing_... which describes a workshop to identify and remove wastes. The whole book is open and fun to read.
As humans, our natural pattern matching abilities sometimes causes us to see things that aren't really there. It's a blind spot for us.
In this particular case, you now have research that backs up our understanding of software development waste. If you read the paper, you'll see examples of how our previous understanding of software development waste was flawed: https://www.researchgate.net/publication/313360479_Software_...