All of the technically-minded posts I’ve read about systemd have been positive. The only detractors seem to be the ones with less technical knowledge, complaining about “the Unix philosophy” and parroting half-understood ideas, or worse, claiming that it’s bad because they have to learn it.
I know xorg has problems, but it was good to get some insight into why Wayland is falling short. Every argument I’ve seen in favor of Wayland has been “xorg bad”.