Certainly we would not want to be negative or question why others are making such an effort to preach to people from another country.
فَكُلُّ حَيَاةٍ ثَمِينَةٌ فِي عَيْنَيِ ٱللهِ ،‏ وَهكَذَا يَنْبَغِي أَنْ تَكُونَ فِي عَيْنَيْنَا .‏ —‏ كو ٣ :‏ ​ ١٠ ،‏ ١١‏ .‏