Maybe most gamblers don't have a limit and lose their control to manage their money, but I am sure some gamblers can stop gambling immediately because they realize about gambling is just for fun things. Maybe we all have experienced losing all of the money in gambling, but from that experience, we realize that we must control ourselves to manage our money and our time in gambling.
External limiting features can be added, but the gamblers need to take responsibility for themselves, including to avoid becoming an addiction to gambling. No matter how good the features in gambling websites, if the gamblers don't control themselves, it will be useless for them because they will lose more and more money.
They are an adult and they should be responsible for their decision. Others can't baby sit them forever. But, yeah if you see someone close to you is addicted to gambling, then you should help him. Though, remember, you can't really help someone who truly doesn't want to help themselves. No matter how much you try, in the end they end up acting the same way they used to. You should help him when he realizes that he needs help and truly wants to change. Or else you will just be wasting your energy and time. I have learned this the hard way.
Those external limiting features won't help. They will eventually find a way to "bypass" those limiting feature.
But still, it isn't easy to make him realize he needs help without he realizes by himself. Maybe we can sit still beside him to watch him playing gambling, but we don't do anything until we can see the situations turn him to start to get many losses. If that happens, maybe we can begin to suggest he stop and don't continue playing gambling.
I think the same as you about the external limiting features because if that person can not control himself, I don't think that features will work for him. Otherwise, he will do it by himself.
Indeed. A gambler must set limits where, when, what time she/he has to take a break. A gambler must be dicipline enough to manage his happiness, frustrations, and other feelings that he is experiencing whenever he is playing on casinos. It's really fun to play there, extremely happy if most of the bets is winning. Signs of progression on your investment in casino gambling.
Friends, family, partner, anyone, or anything can be the external limiting feature on things that you are doing. But as long as you are happy that you are doing that thing, and it doesn't affect you negatively, it's fine.
Many gamblers get the negative effect of gambling and realize or not, and they are losing much money in gambling. The discipline will be gone for a long time, and the losses will be too high if he can not control himself to stop gambling. The happiness itself will be only temporary because the next thing that can happen is losses more money without he realizes.