If it can run X11 on a directly connected display, it's probably not embedded spaces ;). Don't take this comment too seriously, however raspberry pi is definitely at the "more desktop-like" end of the embedding pool.
As for systemd, it's an interesting set of tools, and one can if one wishes pick which ones are active in a system, if that system is complex enough to be running Linux (or other compatible OS) to begin with.
As for systemd, it's an interesting set of tools, and one can if one wishes pick which ones are active in a system, if that system is complex enough to be running Linux (or other compatible OS) to begin with.