You beat me to it and phrased it better than I.
I think where you can draw the difference between 1930-40's Germany and past behavior is the RCC no longer had the power of the state behind it. Also, in the past the persecution was perpetrated on Christians who refused to be dominated by Rome. They justified that behavior because of their belief in exclusivity.
In Germany it was persecution of Jews, gypsies, political opponents and deviants. It was not an issue of Christian belief and authority.