Seems to me a lot has been posted here without the subject being resolved.
I have a suggestion: Since mainstream religions tend to survive for thousands of years, I think it is reasonable to state that each comprises a system of belief that has some sort of common formula. Each religion has to give its believers some sort of explanation of everything. In the old religions, it is always some "god" or "spirits." In Asian Marxism, it is "atheism," but in each case, each is an ENDURING BELIEF SYSTEM.
So, it is not WHAT the religion says "to explain things" with but JUST THAT RELIGIONS ARE ENTITIES THAT COMPETE WITH EACH OTHER TO SURVIVE. The more powerful the religion, the more ruthless it can be in doing that.
This means that it is not "spirits" or "atheism" that causes ideological war but merely that mainstream religions by their very nature do.
Of course, there are NON-mainstream religions and they cannot be ruthless like the big ones because, in most cases, they are merely cults or splinter groups of the big,main religions.
Some might be tempted to say that Hinduism (or one cult of it, Buddhism) is not ruthless. Two factors need to be considered there. One is that Hinduism is now one of the very oldest surviving mainstream religions and is sadly showing its polytheistic age. This helps explain why it is not as aggressive and why India is governed mostly by Socialists, Secularists and Muslims in their coalition government. Also, like all religions in history, it also had a very aggressive, brutal stage.
charles
http://atheistic-science.com