I can give multiple examples of group members who disagree with elements of their group so substantively, they split off and form new groups. Schisms are normal reactions to outside/inside actors co-opting or directing a group, Mensheviks and Bolsheviks, Protestants and Catholics, America and the Commonwealth…

If you’re upset that something is being done by a group you’re a part of, who openly declares to be working towards a goal that is unpopular outside the group, leave the group. There are plenty of Jews and Jewish groups that reject revisionist Zionism and/or Kahanism, the notion of Jewishness is not owned by a political party nor ideology. Claiming that criticism of the movement is a dog whistle, becomes unconvincing and is disingenuous to the reader