The Nazis did not invent anti-Semitism - they were just the most efficient at killing Jews. The same way, Trump did not invent racism, but he has been effective in stirring it up to his own ends.
I have published a piece on Goldberg's comments, and a will be publishing a longer series on Black-Jewish relations, which is personal to me. I think we are on the same page in trying to encourage solidarity rather than divisions. In the meantime, I refer you to some unsettling history of your Irish ancestry, and an example of fighting racism on all fronts:
https://medium.com/the-audacity-project/an-anti-racist-hero-is-something-to-be-8e522f05276