Reading the article it doesn't sound like these are land use restrictions imposed by the town that they can simply change. Rather these are contract clauses in

Reading the article it doesn't sound like these are land use restrictions imposed by the town that they can simply change. Rather these are contract clauses in deeds or the practice of companies leasing the vacant space where another store might go. My hunch is a that a small town isn't equipped for the lawsuit that happens if they tell a company like Alberstons that they are not allowed to lease vacant land in their town on the theory that a competing chain might want to build there.