You believe it's skewed because it doesn't fit your particular model of world. The fact is, an entire generation of hackers got their start through tinkering on a gaming console in their pre-teen years.
I think you're just so out of touch with how a 10-year-old learns that you can't comprehend what the article is addressing. A kid that age doesn't pick up programming the same way that a person in their 20's does. He's still mastering reading, figuring out the fundamentals of his operating system, and making real-world analogies for objects on his computer that you might already have at 24. He doesn't understand what an algorithm is, he doesn't even really know what a programming language does or what role it plays. He doesn't know algebra.
Most kids are not scholarly. They don't seek out information and work through tutorials. They're never going to hear about alice/scratch/squeak/LÖVE. They stumble upon things and their curiosity drives them, but their attention span is relatively small. They do things because they're fun and not because they want to learn.
When you began programming you probably read books and tutorials, followed-up on documentation, and relied heavily on examples. Learning through your teenage years is evolutionary. It's almost all trial-and-error at that stage. Computers are a incredibly complex place to start, that's why so many of these anecdotes are about programming BASIC.