Actually it is very important for humans to take responsibility of their thoughts or imaginations. Because what ever u feel or think is what u attract. dopamine would be a thing at a point. Depending on the situation but regardless people should constantly be self motivated. So they will attract only good things
In the same vein,since dopamine is the good hormone I think it plays a bigger role in the success stories of individuals,too much is been said about dopamine too.The feeling of motivation and determination is relatively engineered and powered by the so called dopamine don't you think so too.
A positive mind is likely to attract everything good but the dopamine factor is literally not in charge, it's not the sole factor for creating big wealths.