They aren't though, they are easily manipulated, and the effects of kids spending time alone on "social" Media is having a lasting effect with depression, lack of real interaction with the world, even showing up as lack of problem solving learning situations. Lack of outdoor activity (due to psychologic developed apps that maintain engagment) is showing up as lack of spatial body awareness. The brain changes by actual physical activity and real world interactions, and they find the brain is no longer being optimized. Its just bad all around until the brain is properly formed.