Most people need a herd to be part of. Even the word 'flock' implies this. Look at other herds: the right, the left, your company, sports teams. A cow can be part of 1 herd. We're lucky (?) we can part of as many herds as we like. We are at our finest when we perceive that our herd is being attacked.
Hmmm... North Korea is one of the countries where atheism is enforced.
These blanket statements about religion can indeed be debated.
North Korea is probably easier than that, at least one can try to escape to South Korea.