Hmm. [citation needed] on the cost&#x2F;benefit being applied evenly in practice, I think. As the sibling comment says, it&#x27;s something of a self-fulfilling prophecy, the limit case of which would be an arcology of extremely dense, extremely expensive housing surrounded by cardboard slums.<p>And I&#x27;m not talking about &quot;two villages of 100 people&quot;, I&#x27;m talking about such remote, unknown locations as Manchester and Birmingham (<a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=GxZ1xn2ml10" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=GxZ1xn2ml10</a> may help explain Birmingham to Americans)<p>A very big factor is that London gets to have a proper state-owned local-government-controlled integrated public transport service, TfL. Most other places have to put up with private local monopoly bus services run by Stagecoach.