How do you measure the value of stacking bricks, then?
Do you have elderly parents you support with their computers? Then maybe you know what I am talking about.
I am not saying kids shouldn't play with bricks. The whole premise of the article seems silly. Nobody claims kids should play with computers instead of bricks.
As for becoming computer savvy, I've seen kids pick up quite a lot from playing with computers. They quickly figure out how to find and launch the games they like, for example. And they also experiment, for example rearranging the UI. Then there is Minecraft.