Conflating criticism of Israel the state with hatred of Jews as a people is in itself anti-Semitism because it implies that Zionism and Jewishness are one in the same. The earliest critics of the creation of a Jewish state were British Jews, like Edwin Montagu who referred to the Balfour Declaration as an "Anti-Semitic Policy" because it reinforces the notion of "dual loyalty."

https://medium.com/arc-digital/anti-semitic-zionists-and-anti-zionist-semites-3e17b9802fa5