@cofty
Theistic morality is a very broad term.
I see you constantly put any theistic morality under the superstition umbrella.
I disagree with this view.
If I have a belief that something evil or good will happen if I clap my hands in front of a mirror at midnight then I agree I'm totally in nonsense and plain superstition. But I'm totally against such superstitions.
Then we have a middle terrain like the JW view on blood transfusions. JW's simply say this belief is based on their unique interpretation of a few Bible texts. They don't provide any philosophical base about this belief. And the history of how this belief was formed shows that was just an opinion of a single man and nothing more. Even though this belief is considered "theistic morality" ultimately I can't see how it's different from superstition.
Finally we have beliefs that are not based purely on Bible or science but on revelation and/or philosophy. Like when exactly the human soul is created.
Not every theistic morality has practical problem about this. There's a theological view that says every human soul were created before Big-Bang and they stay in a Limbo until conception. I don't see much problems regarding abortion taking this view in consideration.
Some religions use only Bible texts to base the problem of when a soul is created. I think this is superstition too.
IMHO I can only defend a belief if it's not anti-scientific, have a genuine philosophical ground to it and have at least some kind of metaphysical sign (or revelation, which can be private or public) attached to it.