The kid is absolutely not stupid. But the media sensationalizing trivial stories is. Most likely this is an already existing design, which is rarely used becau

The kid is absolutely not stupid. But the media sensationalizing trivial stories is. Most likely this is an already existing design, which is rarely used because of something that makes it impracticable on a bigger scale. But because some smart kid happened to toy around with it, it's suddenly the new technology that will revolutionize the car business.