Leftism seeks to undo most of the values that are distinct to Judeo-Christian religion.
Whatever feminists may say about their only advocating choices, everyone knows the truth: Feminism regards work outside the home as more elevating, honorable, and personally productive than full-time mothering and homemaking.
Society may no longer define marriage in the only way marriage has ever been defined in the annals of recorded history. Many societies allowed polygamy, many allowed child marriages, some allowed marriage within families; but none, in thousands of years, defined marriage as the union of people of the same sex.
In little more than a generation, feminism has obliterated roles. If you wonder why so many men choose not to get married, the answer lies in large part in the contemporary devaluation of the husband and of the father - of men as men, in other words.
Carrie Ann Inaba