The publishing of code-as-narrative or code alongside narrative is something that will slip into the mainstream, maybe in our lifetimes.
Already, ruby code (and other similar languages) are nearly understandable by non-technical folks. And consider the popularity of tools like cucumber that involve tests that are readable by anyone.
Imagine a day when code is published on the New York Times homepage, alongside some Silicon Valley luminary's commentary.
It's great that the site supports such deep linking.
Doesn't your suggestion harm the UX for the person who has spent the minute or two required to figure out how to operate the site?
Even from my very first visit earlier today, I found great value in being able to read the annotated code and the annotation simultaneously.