Just to give my view: Because it's an engineering approach. We don't have to completely understand a highly complex system before we can make some fixes. Interv

Just to give my view: Because it's an engineering approach. We don't have to completely understand a highly complex system before we can make some fixes. Intervening before it breaks frees us from the work of repairing what we can't manage. This resonated with me the first time I read about it.