Cool anecdote. Mine is that they have been useful in nearly every systems design I’ve been a part of early on. You don’t think visually/spatially, some people d

Cool anecdote. Mine is that they have been useful in nearly every systems design I’ve been a part of early on. You don’t think visually/spatially, some people do. Putting boxes with lines clearly groups responsibilities and defines which pieces are related. It’s the same reason org charts exist. It doesn’t tell you how a company functions but it very quickly tells you who answers to who.