If a gambler does not have good knowledge and understanding in gambling and they carry out their gambling activities with full confidence, this is clearly a fatal mistake because having a strong sense of self-confidence can influence them to gamble excessively because people who already believe themselves, then they will be braver in taking action without seeing and assessing first whether the next result will be good or bad for them.
Yes, you are right, we should just have fun while gambling and we must also have a good understanding of intelligence so that gambling does not cause new problems in our lives.
Why would a new gambler decide to feel overconfident while gambling? It could be due to the information they have about gambling. And how certain it is for them to win big in gambling. False pre knowledge of gambling leads most players to think they've known it all. Contrarily, as you said it, zuzie, players need to be experienced before having some confidence while gambling. That wouldn't be a wrong move. As staying confident will help the experienced player to be relaxed and enjoy the game. Although the dangers are still they if the player losses their control. However it wouldn't be simple for an experienced player to lose form compared to a new gambler who knows nothing of self control and financial limitations.