Roy Moore: 'Immorality has sunken to a new low'

[HAB911]

7. Should he not have said morality has sunken? Sunken immorality would mean increased morality?

im·mo·ral·i·ty
the state or quality of being immoral; wickedness.

(high bad, low good)

mo·ral·i·ty
principles concerning the distinction between right and wrong or good and bad behavior.
virtue, goodness, good behavior, righteousness, rectitude, uprightness;
morals, principles, honesty, integrity, propriety, honor, justice, decency;
ethics, standards/principles of behavior, mores, standards

"a sharp decline in morality"