Distracting yourself from distractions by building an overly complex system to help you do that, and writing an article about it, is certainly a very HN-ish thing to do.
I love it though!! These kinds of projects are fun to do and attack a real life use case for the creator. I bet he and his girlfriend get good use out of it. If my roommate wasn't so insistent on unfettered access to internet, I'd try to do similar DNS filtering for our apartment.