They do complicated things, and anything that can go wrong eventually does. Archives to process are in a different character set, they're corrupt, or they're malformed. Anything that can throw an exception eventually does. Files that are there at the beginning of processing disappear before processing finishes. It's like the waiter pulling your chair out from under you just as you prepare to sit.
Anyway, no one's there to watch over the little guys. Oh, my colleagues know the value of the reports the daemons make, but they don't check up on the daemons.
I wonder how the little guys are doing?