While that's generally how these outfits tend to work, Ars has built a pretty solid reputation for in-depth analysis and not having link-baity headlines.
Instead of letting this article die off, some people in HN were equally clueless and upvoted this article because of the misleading title. They upvoted either without reading the article, or read the article and did not have the technical ability to detect the bullshit.
This article should not be trending on the front page.
Even if it is legally required it is still interesting that it has been done for those who are following the device.
I'm guessing the code release contains drivers etc. specific to the device, which would be very useful for hacking.
(Note also that they explain that the entire stack's code wasn't released early in the article.)