While I generally find myself agreeing with the sentiments of this article, let's not forget: the plural of anecdote is not evidence. Apply this axiom to OP's observations. So he goes to some rural regions of the world, sees some kids being kids and concludes that because he doesn't see that same behavior in a modern region of China it must therefore be because of modernity or technology or whatever that these people…
Positing a theory based on anecdotes is important because it forces us to re-analyze our lives and our values. It makes us ask the tough questions, and come up with our own conclusions