I don't think there's any good addictions when it involves gambling, if you're not gambling in a coordinated manner, you would be gambling in a bad way that it wouldn't be good for you. Gambling addiction will destroy your confidence and it can cause you to become indebted because you didn't budget yourself well while gambling. Gambling addiction will not only make you to be losing money but also makes you to lose other things that are important to you. The worst mistake a gambler can make is to allow gambling addiction to take control of him because that'll be the end of his winnings days. You can't be losing and be happy so gambling addiction also destroys your happiness.
It is very unlikely that there is a good impact from gambling addiction, in fact I don't think there is a good impact from gambling addiction except that there is a good side to gambling, such as opening up jobs for people who are experts in their field. with those who are addicted to gambling, there is nothing profitable even if they win, it is not a real profit if they still cannot control themselves with the winnings they have obtained. Moreover, by gambling with the wrong mindset, usually those who gamble like that will only make mistakes in deciding what to do.
When they are carried away by gambling, they will find it difficult to control themselves, so it is very likely that gambling addiction will control them and can make them lose self-control. and when they are addicted to gambling, of course they will suffer more financial losses, even outside of this, such as with their health or their relationships with their family or relatives and close friends. Indeed, addiction can harm many things outside of finances, because with finances it is certain to happen.