What 'others'?
The state has to abide by the rule of neutrality regarding religion, thus its representatives have to abide by it.
They are free not to take this job if they feel they cannot meet its requirements, in fact we insist on it.
They are also free to express their faith when they are not currently representing the state.
You do know the definition of "representation", do you?
And the difference between professional beliefs and personal ones?
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IT has been show to cause harm in the past and it is used to cause harm in the present in countries like Turkey.