I was reacting to what I hear from other non-gentile visitors to or inhabitants of Europe.
To be honest, the expression "non-gentile" sounds to me like "non-barbarian" or "non-gaijin".
My point was that people in the normative/dominant cultural group don't see the same world that people in other groups see.
No debate from me there. A man of words and not of deeds is like a garden full of weeds; a man of deeds and not of words is like a garden full of turds — Anonymous
Everyone is someone else's foreigner.
But "gentile" is, of course, a context dependent word. Mormons use it for non-mormons. I don't think the way "gentile" is used historically in discussing European/Jewish/Christian divisions would include Morrocans, but ...