If UK was so tough to gays, Turing and all, Germany sent homos to death, France..., etc etc. How did europe turn to be so gay friendly on such short notice? Where did that shit start? What rich homo could achieve such an amazing feat? Suddenly every dude is proud of taking it in the ass from another dude? Is there a secret ultra gay society with devoted "Rothschilds", parttime government workers all over the world?
Hmm... I wonder... The second gives a solution to the first. Same-gender couples, who adopt children, who in term are imprinted with the same-gender attraction as being the norm, and cannot adopt, and then you have a larger population which cannot reproduce. The suppression field in practise. Overpopulation problem solved.
This can also be applied to an enemy state, where there is a need to silently dispose of the endemic population.
The only problem would be that children from from hetero couples would mercilessly tease children from homo couples, negating the "positive" homo imprint. That can be solved by mass media targeting child audience with positive reinforcement regarding same-gender relations. This latter bit is what got prohibited by law in Russia.