Yes, I think this is quite simple and for this problem it really comes back to parents who do have full responsibility for their children, we are not not allowing a child to watch any channel, one of which is a show on TV but maybe along with that it would be nice to apply limits to the activities carried out by a child, On the other hand, we will not always be able to predict the schedule of shows on TV channels and that means it is very possible that when you only allow your child to watch at certain hours it turns out that at the same time there are shows that lead to negative things and one of them is the promotion of gambling, and a better solution is that you have to be next to them when they are watching TV shows or playing other social media because with this, you will have full control to prevent and divert your child's vision when there are shows that smell of gambling.
Or yes, it can also be like what you suggest where we divert a child's attention to many other things that are physical actions such as outdoor activities whether it is exercising which can indeed be healthy and improve a child's fitness. On the other hand of course directing a child to more positive things is a good action that will ultimately create good habits for themselves.
We do not forbid children from watching any channels, but we guide them to know which channels they can watch and which they cannot so they do not have negative thoughts about what they watch. We must be able to accompany them when they watch TV channels and provide understanding so they do not misinterpret it, especially if they accidentally watch negative things they are not allowed to watch. Many TV programs are free to watch people, including children, but if we as parents can accompany them, they will not watch TV programs that they do not deserve to see. Children are susceptible to advertisements or anything on TV channels where. They have a high curiosity to try it. But with our supervision, they can understand that they don't need to watch such TV channels.
We should invite our children to do physical activities, which can be useful for training their motor skills and thinking and can also help them socialize with other people. It will give them the ability to communicate with other people and an understanding that they are not alone and must be able to manage their activities. Exercising is also good for them so that their bodies are fit and they can train themselves physically.