Depending on the theology of her particular version of Christianity, it may very well 'be up to her'.  

Faith, Religion, Theology; when there are hundreds of versions; of "Christianity" worldwide, much less the hundreds which exist in the United States, many of whom claim to be The True Faith, (Caps, Underlined and BoldFace type), calling out the nuances of any one person's version is presumptuous at best and ignorant at worst.