* http://uselessd.darknedgy.net/ProSystemdAntiSystemd/ (https://news.ycombinator.com/item?id=8488235)
* https://blog.darknedgy.net/technology/2015/09/05/0/
* http://jdebp.eu./FGA/run-scripts-and-service-units-side-by-s...
... and then calling the latter "System V init", when AT&T System V had actually adopted a new system with separate system and service management several years before Linux was even invented.