First of all, I need a full-fledged God, not a mere demigod, and it is a factual error to call the Bible or the Koran or the Book of Mormon a book of fiction. You can, from your omniscient point of view, call it false, but it is not a work of fiction if its author believes it to be true.
You may be right; perhaps atheists and agnostics don't need a Bible to tell right from wrong, but that isn't something even atheists themselves have agreed on. The whole angst of the European existentialist movement had to do with the realization that without a god everything and anything was permissible (including abortion, one assumes).
Morality and ethics are not the exclusive purview of Christianity, or even religion in general. Atheists and agnostics don't need a bible to tell right from wrong.
In fact, religion is often used as an excuse to subjugate others, which is what they're doing by overturning RvW. They are subjugating women of breeding age as baby factories and unpaid child minders whose life course is decided on whether a man ejaculates in her and fertilizes an egg or not (whether she wanted him to or not.) If she catches, her life is no longer hers. It now belongs to the state as a incubation vessel for a potential citizen, and her wishes are now unimportant.