May I ask where you live?
If you live in the US, religious freedom actually is an immutable right. It is ensconced in the First Amendement, at the top of the list of the Bill of Rights, and is a founding purpose of the United States.
You have every right to your belief that religion is erroneous. You have no right to make adherence to your belief a precondition for entry into the United States. It betrays what the United States stands for.
