The Word of God expressly says that what pagans sacrifice they sacrifice to demons. For instance, the goddess Kali was offered human sacrifices – children.
Similarly, the Aztecs during a ritual murder cut out the heart of a living man and sacrificed it to demons.
What are the concrete fruits of Nostra aetate? It is uncritical openness for paganism and for the spirit of death. The Merieux Institute in Lyon in France “processes” 17 tons of bodies of unborn children daily and “exploits” them as material for cosmetic industry.
On the other hand embryos of animals are protected against similar procedures by law. This is a typical feature of this spirit of pagan worship. An animal is valued more highly than a human and even worshipped as a god.