Nice concrete examples. Adding stuff together irreversibly destroys information on a fundamental level. Doing it at scale is obviously worse. There is value in

Nice concrete examples. Adding stuff together irreversibly destroys information on a fundamental level. Doing it at scale is obviously worse. There is value in a deeper look at a narrower set of individual data-points. Same true for management looking just at key figures instead of walking around and talking to people to get a deeper understanding of what is really happening.