It seems to me it is more like something bad happened what could have prevented it? Then find out multiple things that could have prevented it. Then figure out

It seems to me it is more like something bad happened what could have prevented it? Then find out multiple things that could have prevented it. Then figure out which of those ways would be most economically feasible and also would avoid many other similar problems. But in general it is good to ask questions, and it's good to allow multiple answers to the same question.