Sometimes even this researches don't really fix or give that which is expected,you'll just try to familiarize with the game rules,odds,and game structures.
Mostly,almost everyone that uses this medium to gamble has attested to the fact that this feature is vast in transparency and creating a longer lasting experience and minimize the risks of losses.
But at least it's better to still do some research, it's not anything seriouse but still part of the analysis a gambler will do to have an edge over their prediction. It surely will not guarantee steady win all the time but yet you will sure that your prediction was definitely supposed to work but the other team were lucky and you underestimated them, which was not still your fault.
If they can do research, they will know what team that they can pick for their bet. Although no guarantee to win, they will know what team that have more potential to win. So that is why we must always research before we pick the team. That will prevent us picking the wrong team which will not have a chance to win. But we must realize that even if we choose the team that can win, their opponent can beat our team easily as no one will know what will the end result. We could only try to analyze and research the match and pick the team that we think can win and let the outcome comes and hope we can win. That is what we must do in betting so we don't have to place too big money and hope we can win. Let our luck come in the match so we win the money.