I find it somewhat unfortunate that a LWN subscriber link is being abused like that. I don't think such a link should be shared on a widely accessible platform like Hacker News. I find LWN articles to always be of great quality, and the subscription cost is definitely worth it if you can afford it. Also, "subscriber-only" content becomes publicly available after only a week. There is consequently no reason to share a subscriber link like this on Hacker News. The discussion could have waited a week.