To be considered a "religious right", it need only be sincerely held.  Uncovering the face is necessary for identification in some contexts, but it is not "reasonable" to insist that people to have uncovered faces to board the bus, as generations of balaclava-wearing bus riders can attest.

The transparently weak arguments on display here have only confirmed what is already obvious: that this is nothing but the symbolic politics of Muslim-bashing.  Allow this, and more measures like it will follow.  Ask the Jews of Weimar where it ends.