Yes, I think you are right. And anti-Semitism, can be just as virulent as any other form of racism or bigotry, as history has shown.  However, Croll was able to anglicize his name and embrace assimilation to some degree as a way to "fit in", which is an option denied to people who wear their difference, literally, on their skin. If you are jewish and white you still participate in whiteness and its privileges.