>they have to argue in court that the warehouse would be unprofitable given the union's demands. They would? Why? How does the existence of a union prevent a c

>they have to argue in court that the warehouse would be unprofitable given the union's demands. They would? Why? How does the existence of a union prevent a company from firing everyone if it wants to? My understanding is that the only power of a union is that all of its members use collective leverage to get better deals. There is no collective leverage action if everyone is fired.