Success means at the end we can get the profit but a lots of people including me will not get the success at the end because overconfidence without investment is made the confident to a negative way of investment it definitely leads to getting lost only at the end.
Obviously, this depends on the game that you are playing.
I know some gamblers and they don't bet their money on gambling or games that mostly require the gambler's luck like the lottery or roulettes. I even introduced them some gambling sites but they said that it might be a waste of money for them. They bet mostly on cockfighting and sports betting wherein you can analyze well where will you put your money. Also, that has a higher possibility of winning than betting with your luck.