We certainly know that most gamblers who have problems with addiction are likely to be significant contributors to casino profits. Nevertheless, that is indeed the case. Casinos never really limit those who are addicted from continuing to gamble uncontrollably. But they do create some features that gamblers can use to limit their activities at the casino. It's just that gamblers who are already addicted are unlikely to use them because they affect their enjoyment of gambling. Nonetheless, casinos can still be blamed in this regard.