That is true; however, Jewish Christians would have got the point. They did not consider circumcised Gentiles as ‘ people of the nations ’ but as brothers.
هذَا صَحِيحٌ ،‏ لكِنْ لَا بُدَّ أَنَّ ٱلْمَسِيحِيِّينَ مِنْ أَصْلٍ يَهُودِيٍّ فَهِمُوا ٱلْمَغْزَى .‏