Hmmm, I guess I can see both sides.
My understanding of TB's position was that since DS didn't have much trolling, there was really no need to have mandatory registration (someone please correct me if I'm wrong).
With the recent influx of new users, I admit that we've gotten some posters that are a bit...rough around the edges. Personally, at this point I don't have a problem with that, and don't see a need to "fix" it by restricting access.
Your mileage may vary.