The blog post revealed something or probably two somethings fundamental and astonishing - one being a new ( to me ) process of problem solving, and the other be

The blog post revealed something or probably two somethings fundamental and astonishing - one being a new ( to me ) process of problem solving, and the other being an almost virtuosic display of visualization. I disagree that it was anything to do with car control algorithms. As the author says, that example was picked after watching Alan Kay use it. Maybe the author felt Dr. Kay was a good example to emulate.