It's more along the lines of raising a child: we train the system to a certain range of behaviors that we find most useful. But then we let it go, because we don't want to have to be babysitting it the whole time.
“Perfection is immutable. But for things imperfect, change is the way to perfect them.”
“For the last 4 years, our Federal Government has produced the four biggest deficits in history, and the estimated 2006 deficit of $423 billion is projected to be the largest of all.”