It can also be a source of entertainment!
I got a relayed email from the "business guy" (i.e. non-technical guy) for a contract I work for this morning, with a graph for new registrations for the service.. Looks great except for this big zero on it.
So he's asking what went wrong with our system so that there were no new registrations between 2 and 3 am last night.
I had to email back the Picard facepalm motivational poster.