No, I don't think that's a valid comparison. Fonda and Moore's views are political. These "Jews" are not rational enough to have real political view.
These are a brainwashed fanatical (tiny) sect.
They are more like the Moonies or the suicides at Jonestown and Heaven’s Gate.
Except that they don't want to off themselves but Jews who don't believe as they do. Although there was the death of a young boy in Jerusalem several years ago who died because his folks didn't want him to be treated by a Zionist ambulance crew.
What surprises me is the shock that is expressed every time there is a story about them. As if people can't recognize crazy when it appears. Jews are not immune to crazy. And almost no one is immune to indoctrinated crazy.
And then one comes upon post #9 and one is reminded that there is something much uglier after all.