He did proclaim the Gospel and stand true for "God and Christ" (are you a Mormon?).
Various Jewish groups explicitly asked him to lay low and not make a public production out of chastising the Germans. All it did was lead to more reprisals.
Yes, Pope Pius XII was more concerned with saving Jewish lives than with justifying himself to history.
I DO NOT believe his supposed ‘pro-Jewish’ actions by being quiet were ever meant to help Jews.
Where in the Bible does it say to stay silent about wrong? This solely shows the Pope found it expedient to stay silent.