Apparently there is a least one dev (the one that maintains udev) who has gone on the record as saying: "I wouldn't mind systemd becoming the Gentoo default, as I see systemd becoming the norm in Linux userspace, but that hasn't happened yet, and migration will need time." I am loathe to put words in the mouths of non-native English speakers, but it seems pretty clear from that post what kind of pen he believes that we should all be guided into.
I personally find it odd that he claims to have no dog in this fight, yet seems to be on the side of SystemD taking over everything. He also doesn