Humane vitae points out the cause and effect BC to societal ills. It was prophetic but really more logical It takes the irony out of the situation
The document was and is widely rejected
Which is ironic
The document was widely rejected by the clergy and even the nuns. which explains why the Church has been so ineffective. It seems that many of them only gave lip service even to opposing abortion. I have heard, and still do not hear, many homilies that deal with sexual morality.