Indeed, the OP is committing the broken window fallacy, seeing only company profits, not savings on behalf of the consumer.

A move from one region to another is zero-sum? It might be, but that depends on many factors. Does the person move closer to work? That's fewer miles driven, one less car on the road, less pollution, more happiness, higher productivity. Is one local government more efficiently run than another? That's better use of tax dollars. And on and on. Competition drives these factors.