This happens, unfortunately casinos are still fertile ground for illegal activities such as money laundering, extortion, and even drug trafficking. In Brazil, we had gambling houses, called bingo halls, similar to casinos, and there was a lot of money laundering; not all of them, but there's always a bad apple in the basket. This was one of the factors that led to their prohibition…
If it's for a case of the casino or part of the brand being used for illegal activities which the country frowns upon, shutting it down will be a good one, but it will be hurting the innocent ones legitimately operating without any form of illegal activities, as they get affected the most.