You might have just solved a great mystery. It has been asked many times the reason for anti-Semitism. It was there right in front of us all the time. The way Jews dress. Black hat, pants and coat. Why wouldn't you think they were the bad guys?
What about the Pittsburgh synagogue shooting? I don't think those Jews dressed in black hat, pants and coats.
What about the Poway synagogue shooting? Besides for the Rabbi, I don't think most of the Jews in that synagogue dress in black.
anti-Semitism unfortunately doesn't choose certain Jews.
Plenty of Jews have thought that it was because of the dress and therefore dropped it and tried to blend in but many have realized anti-Semitism in the workplace and elsewhere despite not dressing like Jews.