Hey 
@kde with the recent birthdate field being introduced into systemd and the lead developer being obnoxiously stupid about it, Plasma desktop relying more on systemd feels wrong.
Given the circumstances, I urge you to please reconsider systemd dependency on KDE platform and if possible, please think of alternatives.
When you said X11 is getting axed from the codebase, I was ok with because Wayland has improved significantly over the years and offers more almost all the functionality from X11; systemd is different.
This post is an attempt to make my case as a (happy and satisfied) KDE Plasma user for few years so please think again about getting in bed with that project.