Ironically, most of the anti-semitism I've seen in this country has come from the left, the same left that gets most Jewish votes. Social justice is just a phrase, and if all of the self-righteous social justice ‘warriors’ would approach social justice as what you do as an individual to help other individuals - instead of indicting whole groups of people (e.g. Republican voters, deplorables, etc), the nation and the world would be better off.
During the Newark riots in 1967, blacks made a point of targeting Jewish-owned businesses; I can’t imagine why Jewish people would feel any solidarity after that.
For the slow learners, 25 years later the Crown Heights rioters in NYC did the same thing...
Communist/Socialist/Nazi(now Neo Nazis and White Supremacists/Alt Left Democrats) are the political forces that are responsible for 10s of millions of deaths.