I've resolved it. It appears to a bug that is particular to Adwaita and all themes derived from it, and I've already contacted some of the theme developers.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/791787 Title: gnome-appearance-properties not installing themes correctly -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
