I "maintain" a toy "distribution", that isn't a "distribution" in the sense that I think nobody has ever downloaded it.
What I meant was that the systemd opaque declarative model makes the distribution maintainer's life a lot easier; if systemd manages state based on declarative statements, you just have to make the declarative statements. Under init, you had to make imperative commands that met broad enough conditions to work for everyone.
I think you're conflating "transparent" and "deterministic".
Init is more transparent in that there are less layers to it. But systemd is more deterministic because it is able to make more guarantees about the state of the system.
Similarly, docker is also more opaque but far more deterministic than a provisioning script.
No, we're just thinking about determinism differently.
Systemd makes (or at least tries to make) guarantees about outcomes, which means it doesn't make guarantees about process. SysV (at least the traditional BSD-style a la Slackware) makes guarantees about process, which means it doesn't make guarantees about outcomes. I prefer determinism of process to determinism of outcome.
What I meant was that the systemd opaque declarative model makes the distribution maintainer's life a lot easier; if systemd manages state based on declarative statements, you just have to make the declarative statements. Under init, you had to make imperative commands that met broad enough conditions to work for everyone.