Your rhetoric is the typical miscalculated rebuttal against that attitude, which I do not possess.
An opportunity to explain beliefs should be presented in the correct context i.e. within the bounds of religious education, but that is it. The issue we have here is that discussion is prevented if beliefs are questioned and people are punished and threatened for questioning them.
That is not a belief system, nor is it something that should be promoted anywhere. It is simply forced indoctrination.
By your logic, a geography teacher should teach that the earth is flat if they are a member of the flat earth society.