You could be right with the contraception pil being invented as part of the free love culture from the era, also the repeal of Joe Vs Wade which has caused the murder of millions of unborn children which has accelerated the population reduction agenda. Later on we had the "Aids" virus to promote condom use and further reduce childbirth and promote the nilhism.

But I digress! Obviously their track Somebody to Love is another huge one and the rest of their tracks are ok to listen to, but not quite so epic.