I'm currently the senior sysadmin for several thousand Redhat/CentOS servers and everything about systemd is giving me a headache. Myself and every other person on my team dislike it to varying degrees and none of us want to use it. This is now a blocker to us upgrading from RHEL6 to RHE7. There are lots of nice new features in the updated release we want or need to use but we are refusing to upgrade. This isn't a philosophical argument. I've tested it in various scenarios and it's almost not fit for purpose and throws out countless decades of experience in the team.
Frankly I'm shocked that RedHat have steam-rollered this into version 7, they are normally a very conservative distro (a very good thing in an enterprise environment!) Though I guess I shouldn't be that surprised since the lead developer works for them. I'd be looking at other distributions but they all seem to be switching too. I'd say RedHat have lost some business but I'm not sure what options I have to switch to?
However I have noticed a marked increase in the backlash against systemd in the last few months, probably from the fact that now people are having to use it and all these discussions are definitely a good thing, if slightly too late.