I agree with you. It might seem like a way to fill someone’s happy meter, but some people do things because it is their escape and distraction of some underlying emotions and problems. Maybe some people do gambling for this reason, or with a hope also to win that could perhaps aid in solving problems they carry in life.
If they are playing gambling because of distracting their attention from a problem, that will not be good as they can get into trouble from gambling, especially if they lose the money. We can not imagine what he will become if he loses the money while when he finishes playing gambling, he still has the other problem. He will feel that it is too bad for his day. So maybe he needs to solve his problem first before playing gambling.