I think the point of systemd's modularity is mostly just to make the dev's jobs easier, being able to replace parts of it feels very out of scope even if it mig

I think the point of systemd's modularity is mostly just to make the dev's jobs easier, being able to replace parts of it feels very out of scope even if it might vaguely kind of be a goal. It's hard to support use cases you don't understand or have experience with, that are very different from the needs of your core audience.