Yes maybe it is quite helpful for the child to grow well, I will not comment much on it because we have many ways to teach good things for the child's future to suit what is good for your child and parents.
The most important thing is that control and limits are mandatory to avoid gambling, because today it is a common concern that children cannot be responsible for entering the gambling world which is very bad if they have a stupid gambler character and are not ready for the consequences if what they receive is bad from gambling.
Learning this would be faster if parents exhausted quality time with kids. Sharing in the process, tips and methods to deal with self control and lift in them the need to be responsible. Kids can't gamble, but, intentionally, parents can begin to groom their ability towards essential needs in gambling, applicable in all walks of life. Effective trainings as this prepares a child to withstand all sort of irresponsible gambling challenge if he becomes a player in the nearest future. Achieving this across millions of homes increasingly gets complex due unstable timing of parents. Permitting casinos, through ads, to continue winning more premature minds into the niche