What happens when they get in a position of authority and results are expected?
They never actually made it that far. We had two who were worth anything, and one took a new job in another city, and the other one went on to get an advanced degree. Both young women by the way, and both excellent co-workers.
The vast majority discovered that you don't get a promotion for showing up on time, and unlike your parents, the older people at work weren't there to serve them, and they burnt out - and I kid you not - moved back in with Mom and Dad, in once case Grandma.