A Trinitarian Christian believes Jesus is God hence why one does not expect to hear people of that theology to say 'God bless Jesus'.
Well, who was this Christian who said? It was a Christian evangelist who preaches the trinity and wants Muslims to convert to Trinitarian Christianity
Convert to Islam
Jesus taught people to do the Will of God (according to Mark 3:35) in order to become his brothers, mothers or sisters. A Muslim means one who submits to the Will of God. Do you want to become a brother of Jesus? If yes, become a Muslim. Now is the time.
Learn about Islam: