All: Don't miss thomasm6m6's follow-up: https://sw.vtom.net/hn35/news.html (via https://news.ycombinator.com/item?id=46212180). He added the articles!
Edit: See also this current thread: Auto-grading decade-old Hacker News discussions with hindsight - https://news.ycombinator.com/item?id=46220540