That's a flawed mindset, and I don't think gambling addiction is dangerous for adults, as long as they can control their finances and emotions, so there won't be any negative consequences.
It's important to remember that gambling is simply a game for fun, not for money. If that's ingrained in the mind, a person won't do everything just to win and expect money from gambling. Financial and emotional control can be achieved if we realize that it's just entertainment. This only applies to adults with the right mindset, and I believe even that percentage of such individuals is small.
I couldn't fully agree with you. Because you say that those who are adults will have no problem if they gambling. In this case I can tell some of my real life events. There is a man in my clan who is addicted to gamble and currently he is 45 to 50 years old (approximately). We advised him to get out of my family many times but he could never get out of it. He even has two daughters, never worry about them. What is in the future of her daughter child and they have to meet the needs properly.
Those who lose their self-control over themselves can no longer be normal we call them addicts. In the case of gambling, many people are seen who are addicted to gambling. They forget their family and focus only on betting. At some point, the gambler loses money and becomes even more depressed. There are some gamblers who try to gamble even if they borrow money. In short, if you are addicted, anything is possible for a gambler. From my point of view, if you cannot control yourself, then gambling is not for you. Quit gambling as soon as possible. Keep yourself busy with something else.