This sounds like it could tend to make the games less fun for most players; when randomly winnable games are allowed, the winnable games can be easy. A casual p

This sounds like it could tend to make the games less fun for most players; when randomly winnable games are allowed, the winnable games can be easy. A casual player doesn't want to have to lose every play until they get good. Hence, why the industry didn't choose to do this until lawmakers noticed that what they were doing was essentially gambling.