Basically, I also don't fully believe in expert predictions because I personally can still do it myself. But, when I was on a losing streak, then at least the desire to apply the expert's predictions became spurred. But even so,I personally never follow or apply them because in my judgment, it would be better to do it yourself, even though the result is losing but at least we have tried it than not at all. But, if for example we get the predictions of experts, then there is nothing wrong with trying but one thing that must be considered is to be prepared to accept defeat and there is no need to blame the predictions of the experts.
You've basically said the right thing, it is absolutely not wrong to decide to bet on a prediction that is coined up by a supposed expert, but while doing this, its important we do it with a complete sense of responsibility, where as if the bet turn out to be a loss, we are solely responsible for the loss and no one else, not even the expert that predicted the game, cus in the end, there isn't really an expert in sports betting or prediction, some persons only try their best to come up with a supposed realistic outcome of a game depending on the level of knowledge the gambler have on sports.
So in conclusion, what matter is the sense of responsibility which ensures the gambler is responsible for his or her loses from whatever decision the gambler makes.