It might be worth considering whether metaethicists, theologians, and astrologers from radically different backgrounds tended to converge upon some core set of conclusions substantially different from those reached by non-metaethicists. Metaethical, astrological or theological equivalents of Darwin and Wallace or of Newton and Leibniz would be significant confirmation of their disciplinary soundness.
It might be worth considering whether metaethicists, theologians, and astrologers from radically different backgrounds tended to converge upon some core set of conclusions substantially different from those reached by non-metaethicists. Metaethical, astrological or theological equivalents of Darwin and Wallace or of Newton and Leibniz would be significant confirmation of their disciplinary soundness.