If we address it and help gamblers out of their gambling challenges, we are also making the society a healthier place for ourselves.
It's a pretty hard task to eliminate gambling addiction or any kind of addiction in general from the society. Not everyone is going to be a gambling addict and in the similar way not everyone is going to be a drug addict.
We need to guide those who are already addicted to gambling and we may have to do it in a strategic way. Without a proper strategy we can't do anything to fix the addiction of those people who are already addicted to it.