Grad students voted at my school to unionize. I wasn’t In the thick of it (not grad student) but the anti union messaging was subtle and more effective then I thought it would be. They still voted to unionize but it wasn’t a slam dunk.
All staff here benefit because we get some of the union benefits even though we’re not union eligible.
I was subtle questions on posters put up, about controlling your own destiny, not paying "dues to Harvard/ autoworkers union". They were kinda amorphous. I forget the exact wording but it played up graduate students tendency to be competitive. One anti group was name "liberals against Unionization of Graduate Level Students".
All staff here benefit because we get some of the union benefits even though we’re not union eligible.