In the horrible Argelia's civil war ( the same happened during the bloody Argelia war for independence from France ) the nikab and burka were misused to create mayhem...That said, this one is not giving  innuendos  that those who wear the nikab, burka etc are terrorists! Of course not. But there is a fact that is called -  context; environment. Do we live in a  secular ( not theocratic) society where individual and societal rights were earned through sweat and blood ? "Liberty" "Equality" didn't fall from the sky. Nor our taken for granted, inclusive, comfy high tech living cannot be disassociated from the industrial revolution in England, either - child labour, men and women exploited to the marrow; what about respecting, honour the ( inclusive) laws of one's environment? What about to show your face at the teller, at the government office? Let's check your ID and your face please. Unfortunately, in these interesting times, such a measure is necessary. That is what is. When in Rome ..