No its not a wrong idea to convince people in gambling but at the same time, if you will convince people you must give some advice to them like don't be too greedy or have self control like that. If you just convince them and there are some problems that will occur onto them, it can be your fault if they lose because you convince them.
Yeah it is right and I agree with this type of convincing. I think that convincing people for regular gambling is a worst thing and it means that are going to become a source of producing bad people of the community. We all know that some regular and addicted gamblers become criminals to get some money for their gambling. You should avoid people from gambling.