Maybe not in your day, but college campuses over the past decade have been hotbeds for anti-Semitism. Here is an article from about 10 years ago from UC Davis describing the treatment of Jewish students by other UC Davis students in the meeting where the UC Davis student government passed an anti-Israel divestment resolution, and subsequently the Jewish frat was spray-painted with swastikas.
The ZOA and 22 other organizations today wrote to Linda P.B. Katehi, Chancellor of the University of California, Davis, urging an investigation into the conduct of the hate group, Students for Justice in Palestine (SJP), and one of its members, Azka Fayyaz – who also is a student senator – and...
zoa.org
At UC Berkeley, probably one of the leftmost college campuses in the country, they had effectively created Jew-free zones. One night a year ago, some students dumped shellfish on a Jewish fraternity on the evening before Shabbat, a Jewish holiday. This was *BEFORE* the October 7 attack and subsequent events. Your claims that this has been motivated by Israel's response is balderdash. The Anti-Semites were already there on the campuses. The claims of genocide in Gaza is just the new thing they're saying.
I can see how intense the desire you have to lump these awful people in with Trump supporters, but the reality is that the center of Anti-Semitic Zeitgeist in 2024 America is firmly left of center. Whatever things may or may not have been historically, the stance of things of here, now, today aren't debatable. They are Biden voters. Douglas Murry nailed it on Bill Maher's show a couple weeks ago when he said Biden with regards to Israel was motivated by seeking a two state solution, with those two states being Minnesota and Wisconsin which he needs to win to hold on to power.