Have you heard this about people like Jay Bhattacharya or Vivek Ramaswamy or Tulsi Gabbard?
You're probably more likely to see blatant antisemitism at a Mamdani rally, "globalize the intifada!", Hamas flags, Hammer & Sickle, etc.
Maybe, just maybe, most people aren't as racist and bigoted as you imagine and where it exists neither group of fringe lunatics has a monopoly on it.