Unions can also offer goods things like group bargaining, healthcare and moral support such as SAG/AFTRA and other Hollywood-style guilds. The only downside is

Unions can also offer goods things like group bargaining, healthcare and moral support such as SAG/AFTRA and other Hollywood-style guilds. The only downside is you can't do cheap work on the side, but that benefits those who choose not to or cannot join these guilds.