Humanae Vitae explains all that is going on right now regarding cultural promotion of and confusion with sexual perversion,feminism and what Tucker is headlining regarding the crisis of masculinity.It was prophetic.
Of course its under attack. In Christianity and in war thats a sign of being in the right place
If the bishops had accepted it and promoted it like they do non catholic causes like global warming and the invasion they call immigration, the Church would be a refuge for so many more people.
But they didnt. They rejected it.
It was published by the Vatican endorsed/written by the pope (Paul IV) post Vatican II in 1968
Pope Paul Vi not IV