It is the ability to hold on to grudges for generations and for centuries that makes life hard for them.
Our own dear Len, for example, still has a grudge against the long-forgotten Khazar people who held out against Arab expansion back in the 7th and 8th centuries. What she’s done is project this grudge onto all Jews, while pretending it is just Ashkenazi Jews.
https://en.wikipedia.ORG/wiki/Arab%E2%80%93Khazar_wars
When Jews hark back to the biblical Amalekites everyone knows that enemies of modern times are not real-life descendants of a desert tribe from three thousand years ago.