Edit: The HNers quoting Wikipedia can sit this one out. You already demonstrated you don't have an answer to this question.
Edit: The HNers quoting Wikipedia can sit this one out. You already demonstrated you don't have an answer to this question.
Prior to Lutheranism it was their unwillingness to convert, see Spanish Inquisition: https://en.wikipedia.org/wiki/Spanish_Inquisition
If you're seeking some negative stereotype that's true about them, you'll be disappointed to find out that the main one was their unwillingness to convert.
> The term originated in the Ivy League colleges and originally reflected a stereotype of old-line firms populated by White Anglo-Saxon Protestants (WASPs). The term historically had antisemitic connotations, as many of the New York firms known as "white shoe" were considered off-limits to Jews until the 1960s.
<https://en.wikipedia.org/wiki/Medieval_antisemitism#Restrict...>
> It has also been suggested that parts of antisemitism arose from a perception of Jewish people as greedy (as often used in stereotypes of Jews), and this perception has probably evolved in Europe during Medieval times where a large portion of money lending was operated by Jews.[245] Factors contributing to this situation included that Jews were restricted from other professions,[245] while the Christian Church declared for their followers that money lending constituted immoral "usury".[246]