Honestly, I don't follow predictions of the said sports gambling experts but I do read their analysis about the game. It's really helpful to see who are missing in the game and who might play that could be a big impact to the game.
After that, I do my own analysis and I'd be happy to predict the results of the game on my own rather than relying on someone else who thinks they are good at predicting the game. Reality is, there's no assurance with their own predictions because the game cannot be controlled by anyone unless there are circumstances where they need to lose because of an important reason. i.e. Draft picks lottery (tanking)
Reading their reviews can provide additional knowledge to be able to make the right decision to bet on what betting markets because they usually have reviews that are good enough to open our minds about other opportunities that can better provide profits, but I rarely do that, and only do it occasionally when I feel the need.
I don't think it's wrong if we follow what the expert predicts especially if the win rate is quite good and of course we have to make notes so that we can have accurate data about the win rate of the expert's prediction, so that from the notes we have can be a reference whether he is an expert or vice versa.