So I would say that it's all normal to take risk in every investments, although the risk could be different, but still boils down on trying and getting out of our comfort zone and let go of all doubts. If someone fails then, at least you have learn your lessons and then you have to get up again. ..
It's too thoughtless to rely on luck alone. Additional measures need to be taken in case the deal does not go according to your scenario. And if we see how a farmer insures his crop, a trader should do the same, for example, by placing a stop loss to limit the resulting loss.