FWIW, I read the article and found lots of hand-waving. Strong counter-examples came quickly to mind for most of it's claims.
It's saying pretty much the same thing as, "Think of how productive the world would be if there were no more crimes or wars! What if we stopped having police or armies!" Yup--that sure would be nice but I'm not going to hold my breath.
An internet with no firewalls and free, unauthenticated root access would be $78T richer.