I kept on reading because I use OSes that have different init systems, one of which is systemd. Choice is great. Of course, your comment could be accused of being a rant too.
Choice is great, but I don't think we can expect everyone to maintain "unit files" for every init system. If you can and can afford to run systemd it's probably worth it, it's a "nice to have" most of the time.
If you wanna run your own init solution you can but it might be a bit of effort, embedded people often do this while a system like a desktop with dbus and display servers and IPC left and right might standardize on systemd
Choice is fine, but the perception is that "the science is settled" and systemd is objectively better; therefore if you are still a systemd refusenik you're a little bit crazy and more difficult to take seriously.
It is not sensible to base critical technical choices upon the whims of others.
It's not but it still happens. Network effects and social proof are powerful, even amongst Linux users who consider themselves "technical".