If you gamble on the stock market, you are an investor... If you gamble on the derivatives market, you are a trader... If you gamble at the casino, you are a loser... Morality?
After they fail, they draw their lessons, correct their ideas to make them correspond to the laws of the external world, and can thus turn failure into success; this is what is meant by “failure is the mother of success” and “a fall into the pit, a gain in your wit”.