Yes. This is why unions have to be big to be effective. The union has to be big enough to cover anywhere the company might be able to move to. This is why th

Yes. This is why unions have to be big to be effective. The union has to be big enough to cover anywhere the company might be able to move to. This is why the Teamsters work so well, you can't outsource US trucking to Namibia. This is also why the UAW started dying once containerized shipping made it practical to move factories overseas.