If they can get out of their addiction after winning, then yes, if not, then no. gambling addicts gamble not because so they can win a large amount of money and change their lives for the better(you can see a lot of stories out there where gamblers win a big amount and lose it all again after repeatedly gambling their winnings), they gamble because they get "high" when gambling, from what I have read, the brain releases dopamine when gamblers experience winning, which can be addictive like how adrenaline can be addictive too.