Yeah, right. Tell that to all the Jews who were saved by priests, nuns and Catholic families all over Europe. There were many Catholics who ended up in concentration camps for trying to hide Jews.
It was the Pope who personally told the folks in the Vatican to start hiding Italian Jews as the war progressed. Mussolini wasn't really bothering the Italian Jews much, but that all changed when the Germans arrived. They tried to be as efficient at killing Jews in Italy as they had been in Poland, but the Church worked hard to save as many Jews as they could. As a result, something like 90% of Italian Jews were saved by the efforts of the Church.
I wouldn't bother arguing...except for the purpose of argument's sake...