It's a very valid criticism of diagram "systems" like UML. But, "read the code" doesn't scale. It makes it brutal when onboarding new team members who will not

It's a very valid criticism of diagram "systems" like UML. But, "read the code" doesn't scale. It makes it brutal when onboarding new team members who will not understand the "tao" of the system without a fireside chat with the original developers. And, usually, the OG devs are long gone...