As a parent, what I find effective are content rating systems, be it for movies, games or apps, along with the ability to control and fine-tune them. For example, with Apple's parental controls, I can blanket-decline access to Social Media apps, or to apps recommended for a specific age or older, and I can also allow exceptions as I see it fit (for example, my kids have no access to WhatsApp but they are allowed to u…
Alas, the age restrictions came in and the big warning on the front covers was added. It did kind of backfire because that warning started to become a badge of quality to younger people. A similar thing could happen here. If you restrict it then it becomes the forbidden fruit.