They shouldn't favour one over the other. but we should be careful to charge actual costs for new subdivisions. . 

New developments in Halifax are causing the need for $20 million dollar overpasses (e.g. Larry Uteck) as just be beginning of development costs. The reason people are moving to these places are because they are cheaper, but they are only cheaper for the buyer, not for the citizens as a whole, it's just benefitting a particular choice and socializing developer profits.