Safety first: unregulated casinos can easily come and go; the majority of them might just be out there to attract those who are privacy conscious, and when they gain their trust, they can disappear, leaving no way to contact or trace them.
I'm already a customer at some major licensed and fully regulated casinos, so I don't see any reason to even go after unregulated ones. As long as the service is centralised, they can come up any day and ask you to provide a verification document.
No problem if that’s what works for you, but there are still gamblers who value their privacy more than safety. In that case, they just need to stick with a casino that has a good reputation. That way, if they ever hit a big win, they’ll have a better chance of withdrawing their funds smoothly.
Unregulated casinos that are popular in the community know this too. Whenever there are concerns or complaints from gamblers, they’re quick to respond because they understand that maintaining a solid reputation is their best way to attract new players and keep their loyal ones coming back.