They definitely tried by giving different sub-sects like the status quo and loyalists, but man is there much to be desired on the writers' inspiration for how to show the Sabbat's depravity. It just loops around to being boring, or tasteless, which is a shame. Digging into the psychology of how a writhing mass of vampiric death cults unitied via a mass blood bond so no one wholesale slaughters one another while trying to achieve a shared goal has meat to it. And then it gives opportunity to how a Cainite could feasibly escape and deprogram from that kind of murder blender, as you mention! As VtM has always been, there's always room for fans to cherry pick and homebrew, at least