Many believe that gambling is for young people online as they need thrill and and fun. But I think that even old people can enjoy gambling. There should be any age to retire from gambling at all. One can do this activity and leisure time and thus it does not affect retirement related activities also.
Are you for real? Gambling is different from game playing, perhaps you should understand that. Let's even pretend the person gambles for 50 years before decided to quit, don't you think it's more honourable that way?
Let's say he started gambling at the age of 20 years and made that decision at the age of 70, can he still be working at that age? It's not common and every money is valuable to him. So why try to violate the golden rule of not gambling with the money you can't afford to lose? Why wasting the little he has or the little his children and friends are giving him on gambling?
Besides, I don't think it's smart to seek fun at that age in gambling, if at all you want to have fun at that age, playing normal games is better. Gambling is addicting and exhaustive than you think.