Everyone points to SAG as an example of a good union. But how many of these are there? If there are dozens of examples of "bad unions" and a single example of a "good union", that doesn't exactly give someone voting to unionize high confidence.
Talk to people in places like Germany and you might get a different take about bad/good unions
This didn't happen in Germany, this happened in the US. For whatever reason unions behave differently here, and it's the union model in the US that people rightfully evaluate against.
That's because SAG is a guild, not a union, and it works because every known actor is voluntarily a member, so you can't make a movie without agreeing to their rules.
SAG-AFTRA meets the definition of a labor union under federal and state law. It negotiates working conditions, compensation, and benefits with production companies and studios. It is treated in the manner as other labor unions such as IATSE, IBEW, and Teamsters.
That's because true Scotsmen are not allowed to join SAG.