What separates good thinking/writing from a mediocre noise is that it remains relevant and interesting to read even in 10 years, despite missing rounded corners and lack of randomly chosen photos that are supposed to help us to understand his point.
Everything JWZ writes, even the rants, have a builtin life-support and relevance of at least 10 years.
Maybe I'm just too involved with the community, but Lispers tend to make some of the greatest rants, aphorisms, epigrams and one-liners out of any other hacker group I know, even when they're downright hostile :-)