I agree with you and all forms of addiction, be it gambling or anything else, can never have a positive impact so there will only be bad or negative impacts that can be caused by each individual.
Winning at gambling is the beginning of ruin, especially for those who are not yet a gambling addict, so they can gradually wait until it is time for them to become addicted.
Of the many gambling addicts, I have never seen the positive side, even in terms of finance and psychology, they are different from normal people because financially they will definitely experience bankruptcy and regarding the psychology of an addict usually causes emotional feelings and difficult to give the right advice or instructions.
So great is the impact of gambling addiction, but there are still many people who are not aware of and don't care about things like that because they already have thoughts that are not normal anymore.
After all, how much money the gambling addict earns from winning will eventually run out with nothing left as the money returns to an impossible-to-beat house edge.

It will be more difficult to cure a gambling addict than to cure a drug addict because for drug addicts it is clear that there is rehabilitation and a separate method that has proven to be effective in healing them.