Behind your argument is an unexpressed belief about the exceptionality of the Chosen People. If someone hates Jews, it is much worse if someone hates redheads.

Bassam Yousif simplified it, but captured well the source of antisemitism in Europe: https://twitter.com/Partisangirl/status/1720264864504168503.

My article explains a related aspect, “When genocide seems to be the only rational option.”