As I read the article, it's only a visible demonstration of what fore/aft balance will do - nothing new, just a more graphic way of demonstrating the principle.
Many of us have difficulty getting out of the back seat and into the driver's seat. What would be useful is not another admonition to get our weight forward. We need to discover HOW. Perhaps the visual in the article can be stored in the brain for use while skiing.
Meanwhile, what other ideas does anyone have? Of course, this is a question of bindings and boots - but more importantly, it's a question of really useful coaching. What can be done?