I don't know of anyone that's been doing this for a while that hasn't been touched by systemd stupidity in some way. I still loathe the default behavior around the stub-resolver with unqualified names that "just worked" before Lennart decided he knew best.
I've been a Linux sysadmin professionally for 10 years now. I have never had problems with systemd, nor do I consider it to be stupid. Obviously you don't have to like it, but I think you're painting with too broad of a brush.
Doesn’t that mean you started being a sysadmin after systemd was widely adopted? Most people who dislike it probably actively worked with Linux prior to systemd.
Depends on what you mean by this in "been doing this"?
While work now mandates "If you want to use Linux, it has to be Ubuntu" (and I complied). On personal front - about a decade ago I've moved from "vanilla" Gentoo to Calculate Linux - which was and still is 100% Gentoo.
These days difference is even smaller, but already 10+ years ago Calculate had sane profiles as well as all software packages as pre compiled binaries matching those profiles.
And although systemd is one of configurable USE keywords on Calculate/Gentoo - it's still not the default.
So there probably are some folks that haven't been touched by systemd at all... For now.