They hate the natural procreation that they reject.
Correspondingly, they hate big families.
For example, they direct enormous vitriol towards Bringing Up Bates.
Some homofascists see it as more virtuous since “the world’s already overcrowded”.
It’s there in some ZPG and Climate Change rhetoric as is bug eating.
Pairing off and raising as family is as natural as the entire animal kingdom. It is the meaning of life.