Systemd was the end of Arch for me, my rarely used Arch install was massively broken by its first update in ~6 months largely because of systemd. With some work I got things sorted out and working again only to fall into a cycle of breaking the system as I discovered that systemd was very different from what I was used to and did not like me treating it like SysV. Going 6 months without updates would most likely have caused issues with Arch regardless of how stable it had gotten even without the systemd change, but my subsequent and repeated breaking of the system made me realize I no longer had any interest in learning new system stuff, I just wanted a system that would stay out of my way and let me do the things I wanted to use the system for.

I do miss Arch but there is no way I am going to keep up with updates, I will do them when I discover I can't install anything new and then things will break because it has been so long since my last update. Slackware is far more suited to my nature but it will never be Arch.