Kids these days...
With more and more schools becoming places where the kid spends morning to night, learning, eating, playing, napping and all kinds of activities they may have done with their parents before. And how it might affect family life.
This one's also a prime example of how a lot of my concepts are fueled by sheer lazyness. I could certainly have drawn a whole wagonload of kids involved in various activities mentioned in the text. But then I didn't.