I'd say the moral of the story is that there is a lack of incentives in developing new technologies. Now this could be either because one spillage every 30 yea

I'd say the moral of the story is that there is a lack of incentives in developing new technologies. Now this could be either because one spillage every 30 years is an acceptable cost (a fair possibility) or because there is a problem in placing the incentives to the people who are in a position to do something.