It is better to stop something bad happening than it is to deal with it after it has happened
Prevention is the smart thing to do - no doubt about it. But mankind is not all about making 'smart moves', we make decisions based on emotion, ego, and occasionally, sometimes logic.
Brush your teeth twice to protect them from decaying
Wash your hands before eating food to avoid a stomach upset
Do not eat uncovered street food
Get vaccinated against diseases like polio
Get rid of stagnant water to stay clear of malaria and dengue
Exercise to stay fit
Educating the masses is a noble thing to do, but it won't necessarily make anybody wealthy.
