Best capsule summary of the Economist's political position I've ever read: "The in-flight magazine of Davos Man." (from a forgotten and unfindable blog entry)
Everyone who has literally answered the question "Why?" has completely missed the point. What would PG say about a primary site feature that is so completely broken that it drives users to complain actively, and maybe stop using the site? That it is their problem because they don't understand the technical details? Well, obviously, no one is losing any money here, so maybe that's the answer after all.