One man and one god good principle do you agree as Luther's god is Christ Muhammad's God is Allah Arjuna's god is Krishna
Many peoples have many names for God, the Unique and Indivisible. Some even equate Him with prophet Jesus. Humans make a lot of mistakes. Only God is perfect.
No. Many people have many gods, many people have none. It's unclear whether you think it should be this way, or you think it is this way. I think you would do better to be more clear about what your point is, what your information is and how your information supports your point.