If a union can work for actors (SAG-AFTRA) who often change jobs many times a year, they can work for people who only change jobs every few years. Unions don't

If a union can work for actors (SAG-AFTRA) who often change jobs many times a year, they can work for people who only change jobs every few years. Unions don't have to be limited to a single company, they can organize across a whole industry. For example, AFL-CIO represents >12 million workers, far more than any individual company employs.