Many right wing and haredi Jews (including a few who comment here) like to say that Hungarian Jews did not know about Auschwitz. If they had only known, if the left wing Zionists the "controlled" Jewish communal affairs had only told them, deportations could have been stopped and hundreds of thousands of lives saved.
This is false for many reasons, not the least of which is that tens of thousands of Hungarian Jews did know, had heard the rumors and had even met Slovakian and Polish Jewish refugees. Most Hungarian Jews chose to believe that what happened to Polish Jewry would not happen to Hungary's Jews.
But fact has never stopped haredim before, and it is unlikely to stop them now – even when the fact is a clear indictment of one of their revered leaders…