It’s not coming from both sides in any sense of six of one and half-a-dozen of the other.
The racism against Jews is stark and overwhelming and comes from the anti-Israel (aka anti-Jew) protest industry. It’s loathsome.
I don’t doubt there will have been some unpleasant posts by posters backing Israel - though I don’t recall any - but those are nothing compared to the onslaught against Jews and Jewish interests.