The next time a problem arises, the consultant is brought back to solve it. The long-term result is that the original group never learns to, or is not motivated to, solve similar problem themselves. This is the nasty side effect created by so-called helicopter parenting.
The basic pattern is that kids in a classroom are somewhat in competition for the teacher's attention and praise. The kids who start out as attentive and well-behaved gain praise and positive attention from the teacher, while the ones who do not start out that way are seen as undeserving of praise. The teacher's negative attitude toward the latter children is observed by these students, who then start to see themselves in a negative light.
Because the water seems to stay cold, a poor guy in the shower turns up the temperature, but nothing much seems to happen. The delay is due to the distance of the faucet from the hot water heater. So he turns it up again. If he keeps doing that, he suddenly finds himself getting burned due to a large, sudden and unexpected rise in the water temperature.
When that child grows up and has a child, he or she may overcompensate back in the other direction, and become too harsh! In looking at genograms, we sometimes see entire generations going back and forth between two extremes. A generation of alcoholics begets a generation of teetotalers who beget a generation of alcoholics; a generation of workaholics begets a generation of slackers who beget a generation of workaholics, and the like.