The complaining kind
People like talking about their jobs. One common theme is that they like to talk about how much they dislike it.
"It used to be so much better..."
People love talking about past events. Many love to talk about how much they hate what happened.
"If it wouldn't have been for..."
If they focused on the present more than the past, maybe things would feel better. Or maybe they simply get a kick out of complaining.
I'm afraid it's the latter in most cases.