The primary disadvantage is the high cost of housing. That is the "root cause" of many other knock-on problems that are caused: inappropriate living space for

The primary disadvantage is the high cost of housing. That is the "root cause" of many other knock-on problems that are caused: inappropriate living space for some people, some with long commutes, some people feeling like they or others they know don't really live in London but instead in some dormitory town outside the M25. Until we can get the cost of housing under control there are all sorts of people who I would like to live here and "be part of it" but whose lines of work don't pay them enough to. But this problem arguably exists in every Western city at the moment. I have my own pet policy ideas which I won't raise here. I will say that this problem seems to be markedly worse elsewhere, for example in American cities, Australia, Canada and also even on (western half of) the continent. EDIT: Also pollution levels