It isn't violating any moral issue for you, is it?
Was she violating a trust?
Sometime in the 40s she got it in her head that they were violating people, and developed a guilty conscience.
After all, it wasn't violating any of his principles.
He'd been ignoring the extent of the power available from the souls for fear of violating the Code, which he now understood was not binding in the face of a threat like Darkyn.