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. ↗
You, I, we all encounter behaviors that we might say, I wouldn't do that. But she has a huge amount of contact with how people live. She sees more hospices and sink estates than most people. ↗