You're not entirely wrong to compare White women's descent to becoming black women but White women were on the way down without black women at all.
However, it's an interesting comparison because some people view black people as the race most removed from God and Whites are the race closest to God thus any descent would always be from White to black.
This has been repeatedly proven by every dating survey ever conducted. Black women are the least desirable demographic, and it isn't close.
The deterioration of western white women can be understood as a descent into black beauty and behavioral norms.
Jeetas score low as well. Turns out beauty is objective just like morality.
You're not entirely wrong to compare White women's descent to becoming black women but White women were on the way down without black women at all.
However, it's an interesting comparison because some people view black people as the race most removed from God and Whites are the race closest to God thus any descent would always be from White to black.
Plenty of Scripture, particularly Song of Songs, equates beauty to Whiteness.