You have a point, It's quite difficult to give them an advice about setting a budget if we are aware that the gambler is having an addiction, possible they can't control their spending habit as well as their self. They need an assistance and support from the medical experts as well as from their family who really cares about them. though it is a situational issues, It's better to at least giving a try to set a budget also seeking medical help so that gamblers can make a better decision for theirself.
Giving advice to gambling addicts will only be in vain because for gambling addicts only their plans are the most appropriate and whatever happens the best advice is only from something that comes out of their own mind so it would be in vain to give budget advice or whatever.
If it's about curing addiction, you don't need to go directly to the doctor and ask for help from medical experts to cure addiction, but it would be better if it all started from yourself to recover from your addiction and the right way is to just instill a strong stance to reduce your gambling budget. But still, it all depends on your own convictions and desires without any coercion from other people.
Yes, it's true that advising people who are addicted to gambling is a useless thing, like going in the right ear and going out the left ear so it's like the wind just passing by, they won't pay attention to what you say because all they think about is the gambling game.
and yes, it really takes a very strong stance and determination to really be able to cure yourself of gambling addiction and this needs to be done gradually and slowly because gambling addiction cannot just stop straight away, it takes quite a long time if the addict is already at that stage. which is serious.
But actually there are several tips so that a gambler doesn't get too far into an addiction, just consider gambling only to make the casino owner rich and always use very small amounts of money so you don't feel too sorry if you lose and don't let your mind expect a big win from gambling, that's impossible.
These tips can help us get used to thinking better to avoid addiction and can slowly leave gambling if we want.