In the same sense that the epicenter has "nothing to do" with an earthquake yeah.
How so? In Europe there seems to be plenty of stuff fot kids to spend unstructured time.
In Europe, smartphones are a problem for kids too.
And yet European kids use their phone as much as American ones.
Im not sure there is a direct correlation but US urban areas were mostly planned for cars and in the EU urban enviroments inherited their layout from the times before cars so they are more sucseptable to urban planning that is more humane