You’re paying for entertainment, so if you are looking to blame someone for you not being happy with your purchase than I guess you could blame the casinos.
So many people more especially gamblers are used to putting the blame game on their failure to win in which they are at fault and everyone should be clearly responsible for the choices they make so having a blame game on things is seen as unusual cause for gambling you're aware of your chances of winning being limited and baed on luck. Regardless the issue of blame game should be put aside.