The actor Hannah Einbinder has said the cost of not speaking up about Palestine is greater than losing her Hollywood career. The Emmy-winning star of Hacks, who leads the new queer slasher drama Teenage Sex and Death at Camp Miasma, told an audience at Cannes film festival she would not be deterred from standing up for causes she cared about. “I follow in the steps of Palestinians who have set the bar, who have always had to be their own advocates,” Einbinder said. “I am really pleased to join a tradition of Palestinians and Jewish allies who are committed to being vocal in a time where a lot of people shy away from that.…