As organizations like the Green party and Black Lives Matter have adopted radically anti-Israel stances, leftist Jews supportive of such groups but unwilling to endorse boycott measures and accusations of genocide have found themselves in a tenuous position. Alan Dershowitz writes:
Using the pretext of “intersectionality”—a pseudo-academic theory which insists that all social-justice movements, except those supportive of Jews or Israel, are inexorably linked—anti-Israel activists have successfully made opposition to Israel and support for BDS a [prerequisite], especially for Jews, for belonging to “progressive” movements focused on a wide range of issues. . . .
For hard-left activists . . . hostility toward Israel does not stem from any particular Israeli actions or policies. Even if Israel were to withdraw from the West Bank, destroy the security barrier, and recognize Hamas as a legitimate political organization, it would still not be enough. For these radicals, it is not what Israel does; it is what Israel is: the nation-state of the Jewish people—or, to use hard-left terminology, an imperialistic, apartheid, genocidal, and colonialist enterprise.
Read more on Gatestone: https://www.gatestoneinstitute.org/8758/are-jews-who-refuse-to-renounce-israel-being