Freedom of speech is a labor issue
“The right to protest and just cause for discipline are fundamental principles that unions seek to protect,” write UE Local 1043-Stanford Graduate Workers Union members Jason Beckman, Sophie Jean Walton, and Chloé Brault. “Recent arrests and suspensions of graduate workers at institutions across the United States highlight the importance of this right. ... For graduate workers, the ability to speak, to assemble and to protest freely within our own community are at the core of labor organization.”