In a shady casino where those cheat is possible to happened, they are not putting the business for long term but just to open it and try to suck money out from gamblers who wanted to take advantage of their offers, but it is different from established casinos where they have those TOS before you sign up and it's more on your fault if you missed reading all the details with the terms and conditions.
More on people who take time to read and know what are the rules behind those offers. They are more into knowing the grounds and
not just taking the offer, as they understand that there's always something behind.
A shady casino will not think of the business long term as they could easily launch another shady casino once they have already made a lot of money from their conned members. They may even have a lot of shady casinos that people don't know that shady casinos are part of other shady casinos. And it makes people who have experienced fraud before become exposed to fraud again. The difference between a shady casino and a trusted casino is the services provided because a trusted casino will not try to cheat its members. And trusted casinos already have clear TOS so that each member must read them so they don't break the rules.