Parts of religion are true.....man has removed the parts that they felt would hinder their control of society.
Religion was created by man to explain the inexplicable phenomena that surrounded him. The sky the sun, the moon, thunder, life, death. trees, plants. They made up stories about all these and these stories increased in complexity as societies became more complex. Today we see examples of various kinds of religions, created by individuals, created by followers. Some for benefit of all, some for the exclusive benefit of the adherents and detrimental to the rest. Seems like, religion is created mostly for bad.
Yes,the real truth was and is still hidden from us,through religion everything that is happening around the world is happening in the name of religion and is inspired through what is being dictated to us about what is right and what is wrong,there is no religion that knows it all,everyone have a tiny bit of the truth,but religion have been used to enslave and control people for the benefit of those in power to stay in power and to put fear in the hearts of men and woman to obey the laws made by men.
If what you say is true, then why do totalitarian regimes make religions illegal. It seems that a religious society is more difficult to control. "Controlling the masses" is just a theory from some diluded historian trying to debunk religion.