Traditional gambling does have a lot of crowds in it, there are many types of traditional gambling and not just casinos, because any type in real life can be performed at traditional gambling and it will gradually be negatively affected by local security parties if gambling is prohibited in that country . It's very different from online gambling that we can do with just one click and we can gamble calmly wherever we are.
My father is a victim of traditional gambling, you're right not only casino for traditional gambling but in some hidden places also, and it's do by my father in a hidden place with his friends. you're right that traditional gambling is very vulnerable to being called a criminal act and my father was caught by the police because of playing gambling
In some countries some form of games and betting were prohibited so if people caught in that act they will be considered as crimes so we don't have to blame the gamling for that its our fault that we did the wrong thing which is not accepted by our government.