I wonder if they get it from other theachings though. Like in my country back home, Muslim and Christian women cover, the traditional clothing for women is actually better than what I see some Muslim Women in the Uk wear, I.e They wear clothing which white or something cover their body, losely have a head covering but it is lose and sometimes transparent
But that is I believe because of the Islamic and Prioir maybe Christian or such influence, when the ladies come here they end up in tight revealing clothing even though they are christian.
Though I do have this lady, who gives out leaflets and says in them 'is the way you wear your clothes causing others to sin' or something. Which I personally thought was abit open since, although I cant remember what she wore, but I do remember thinking that she could be attracting men with her clothing.