Unfortunately some countries have a reputation for ill treating women. Educated people from those countries may be quite normal and treat women well, but due to the reputation of the country they have to suffer the consequences anyway, it is unfair but it is what happens. Some WLs choose not to see people from those countries because they are scared of what they have heard from others and in the press. The best way to fix this problem is to educate the people in the aforementioned countries to treat women with respect so that the bad reputation fades away, I know it is a big ask for all sorts of reasons but really not much else can be done.