So just know that if anyone sue any reputed gambling site, the gambling site may win the case.
It cannot be a fixed fact that gamblers will always loose to a casino. I think the gamblers who have lost the most when they have had an issue with a casino in a law court, have not had substantial evidence and enough financial backing to follow up the case. If a gambler has a good case against a casino, and then also have substantial evidence and money to get good lawyers and pursue the case, the chance of them winning has increased unless it is a corrupt justice system.