I completely agree with these points when you're writing hypertext. But much of the web has gone beyond hypertext. Many sites are now using the web as device-i

I completely agree with these points when you're writing hypertext. But much of the web has gone beyond hypertext. Many sites are now using the web as device-independent application environment, that executes without having to install a runtime (Java, Flash) or runs in a proprietary ecosystem (iOS, Android).