That's the thread of consistency which ties together their whole program: contraception-sterilization-abortion-buggery, videoporn, masturbation addiction, corruption of morals of middle-schoolers via vice indoctrination as sex-ed, lesbianism, radical gender ideology, the deconstruction of marriage and family.
It's to destroy the flourishing of natural sex and natural marriage, which leads to natural procreation. Of the one species they truly despise.
You win the prize.
(Not sure what the prize is in this case, but when we get one you’ve got it!)