I didn't realize there was an actual name for this, so I'll add another for the thread that I haven't seen brought up: email is evil in operations (EIEIO, like the nursery rhyme)
I think the analogy is to station people at various floors in a big office building while you disconnect (unmarked) cables in a legacy patch panel to see who starts screaming. Then you plug it back in and label the cable...
I didn't realize there was an actual name for this, so I'll add another for the thread that I haven't seen brought up: email is evil in operations (EIEIO, like the nursery rhyme)