Of course not everyone does the same thing even though they work at a casino, because I think maybe some of them who work there already know the rules that they are only unlikely to win so they don't need to think twice about this they choose not to gamble, besides I think everyone is not happy with gambling maybe some of them work at a casino just to meet their needs so they do nothing more than work.
Although maybe that makes them unable to resist gambling but I'm sure there are people who don't gamble even though they work at a casino, it's just that maybe the number is very small compared to people who gamble. Besides I don't think the casino requires its workers to spend their salaries at the casino where they work, that's ridiculous.

Casinos do not require employees to participate in casino games but they always attach promotions and discounts to their employees, which is equivalent to encouraging employees to burn the money they earn from the casino to pay back the casino. Although the staff can avoid these temptations, it is just a normal emotion, as long as people have pressure and sadness, combined with a little alcohol, casino staff will become players when they know how to indulge here. So when working here we need to have a neutral feeling and ignore the external pressures that are aimed at our body.