Let me ask the other end. What context do you have to compare it to what it replaced for any given use case? Can you tell me why its good? Can you tell me why its better? What problems it "fixes"?

Reasons to dislike systemd as a professional sys admin?

https://github.com/systemd/systemd/issues/2402 - brick EFI based systems!

https://twitter.com/bitfield/status/736868148348063744?lang=... -- Systemd broke your very mature stable application like screen and tmux?

https://nvd.nist.gov/vuln/detail/CVE-2018-15688 - Root a box on bootup with poison DHCP offers

I can keep going, but how are you doing on my questions?