Her comments were directed at extremists in the Jewish Defense League, who had not only burned her in effigy but had offered a bounty to have her killed. There was even a firebombing at one of the cinemas showing the documentary. But the phrase “Zionist hoodlums” discredited Redgrave for many — even if she concluded her speech promising “to fight anti-Semitism and fascism for as long as I live.”
Forty years later, Redgrave is unapologetic.
https://www.hollywoodreporter.com/movies/movie-news/vanessa-redgrave-recalls-unapologetic-political-speech-at-1978-oscars-1136251/