I don't understand why it is so radical though. Even when I was a bored kid I could pick up a stick and whittle out a face not to far from what was in the artic

I don't understand why it is so radical though. Even when I was a bored kid I could pick up a stick and whittle out a face not to far from what was in the article with a decently sharp knife and some time. Doesn't seem like a huge jump to do it in stone if the stone is easy enough to shape with a harder stone/mineral...