How I wish that djb time stamped his articles, as I feel like this article is over a decade old but I can’t tell with certainty.
It's not like anything has changed, except the running out of IPv4 part.
Edit: or maybe they added 12 more extra configuration protocols to manage, in the name of "ease of use".
https://web.archive.org/web/20021203075817/https://cr.yp.to/...