Yes, and I think he hit the nail on the head in this case. HNers can be forgiven for having a bad opinion of Mr. Gruber, though, because his partisan Apple apologetics are usually what show up here. As a long-time HN reader I thought he was just a... well, to put it politely, an unpaid and especially passionate Apple PR flack, until I got more into the Apple world and ended up reading his better stuff.