That is because gambling is forbidden for minors, if we allowed minors to gamble I am sure the majority of the addicts will be minors, which is the reason behind governments that allow gambling for adults forbid it when it comes to children and young people, still despite their age people need to do some introspection and be honest with themselves, if their personality is impulsive by nature then gambling is probably not something they should ever do, as a single moment of weakness can lead them to the path of addiction.