In gambling, any kind of prediction by experts will not be correct as many times the strength of the team changes the result of the match. In today's Copa America match between Brazil and Colombia, everyone was betting on Brazil but no one could have imagined that the match would end in a draw. I was sure today that Brazil will win but Brazil will draw in the end and I was totally unprepared for my bet today. So in the case of gambling, of course, the experts' theory or predictions are sometimes not correct, many times the predictions are reversed, as happened in today's match.
Though I don't believe in the word expert when it comes to predictions, but I know there are people out there who are just able to make good predictions on what might happen on a particular game. They are people whom have been familiar with the game in question, the players and thus they understand the whole process. They make good strategy before every match. The only thing we should remember is that no one is perfect and it's a game of luck. Sometimes their predictions might be wrong and that's why I don't buy the idea of selling game odds and calling your self an expert in predictions as if people ends up losing so much due to your predictions, you will be blamed or even get into trouble.
Logically in the context of "prediction" there is no one who can be said to be an expert, if there is someone who admits that he is an expert then I think that should be suspected, because there is no such thing as "predicting" if there is a person or organization that can know about what will happen at the end of the session. Remember, this is gambling where the process can be different, and that is what causes the results to be different, there is no consistency in terms of winnings, it all happens by chance.
I understand that there are some bets that can be analyzed, such as sports betting, where statistics are something that can be considered to make decisions that really have a greater chance of success, but what we have to remember is that anything can still happen on the field that makes The previous prediction should have been correct but in the end it was wrong or missed because it turned out the match went differently, or that is because something happened in the process of the match which affected the result at the end of the session. I think we have to really think using common sense and a rational point of view, think that if there really is someone who is called an expert then why do they sell their predictions to other people? can't they make their own money by betting themselves because they have that ability? Of course, that's what makes me also not believe in so-called experts, and the last thing is that it wouldn't be called gambling if there was someone who could predict accurately every time.