Thereby benefiting them and you. It could be ideal for those owners who truly care about their employees. All the movie stars you admire belong to a union. All the recording artist you love to listen to, belong to a union. Your boss belongs to one or more associations.
Lawyers certainly know the value of protecting their interests.
Doctors and nurses also protect themselves through union membership. People are the Union. When the H.E.R.E Union Local 206 comes in, the workload comes down.