I have spent time in Saudi Arabia and one of the problems they had with the full face covering was rapes by men wearing the full abaya and face covering in public women's washrooms.  You cannot identify a person with full face covering and in this country, identification is part of our culture and law.  If people wish to continue to live like that, they should have explored the norms and values of this country before they immigrated.  We had to adapt to the laws of Saudi Arabia while we were there, my wife could not drive, we could not display any kind of Christian or Jewish beliefs and she had to wear and abaya and head scarf in public.  She was stared at all the time and if perchance she happen to look in the eyes of a Saudi or any other muslim living there, it was taken as a come on.  Yes, women are harassed here by men now and then, but can work and live alongside men without worrying about their safety. The staring is enough for any woman to want to cover up. It is different here.