Talking to a bishop is not the same thing as humbly placing yourself under his spiritual care.
Hitler was much more interested in killing clergy than in believing what they preached.
So did at least one English Prime Minister. So? He was chief of state. FDR shook Stalin's hand, too, and Stalin murdered more people than Hitler by far.
And you've posted a picture showing that some Catholic clerics gave the (legally obligatory) "German greeting".
Yep, that's true also.
I'll go you one better. There were Catholic priests who were ardent, firm, convinced, Jew-hating NAZIS.
But to claim that that somehow indicts Pius XII is to fall into the fallacy of false generalization.
Pacelli as Pope never met with Hitler.