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For land based gamblers, what's your experience with those casinos owners in your area? Do you see them gambling at their casino? Have you had an encounter with any of them? Do they gamble and get addicted like their customers?
I admit I am more of an online gambler than someone who regularly visit brick-and-mortar casinos, though I have been in them a couple of times in the past. The few times I have accompanied my family to play lottery or play slots during our vacations I think I have never seen members of the staff or the owner of the casinos engaging in gambling themselves, not even in their own slot machines or bingo floors.
I share you idea, owners of casinos and bookies have mentalized themselves into being clear enough on what it is a business for them and what is risking money without an apparent reason... since there are they house and the house always wins, there is no need for them to try to go against themselves.
Nevertheless, I don't think we should completely avoid gambling or quitting because we do not see owners of casinos or bookies to also gamble, regardless of our own expectations and monetary status, gambling is a good source of entertainment and if we are lucky it can help us with a little bit of extra money in the short term.
It depends on how we manage our bankroll and the level of awareness we have.