"Nonsense" right back at you.  And your memory may not be serving you ... perhaps you should "ponder" some more.

Edith Stein was most certainly Jewish - but she died professing her Catholic faith...as did her sister.  Other Catholics were killed in Auschwitz, too, you know. The Nazis hated many people, not just Jews.

Another interesting article you may prefer?  http://www.americamagazine.org/content/all-things/edith-stein