Those people don't appear out of thin air, the only reason increasing capacity can be shown to not influence commute times is because such studies look at small increases of capacity followed by decades of no capacity increases at all. They're totally biased.
To talk about efficiency, it's also not very efficient to assign a whole dwelling to each family. But that's what people want to have, so you can either plan for that, where you at least have the possibility of success, or you can continue to plan cities based upon utopian fictions, and continue to get the same results.
To talk about efficiency, it's also not very efficient to assign a whole dwelling to each family. But that's what people want to have, so you can either plan for that, where you at least have the possibility of success, or you can continue to plan cities based upon utopian fictions, and continue to get the same results.