This is a joke right? Positive population growth = broken?Millions of people live in London despite these negative factors, so only parts of it are broken, othe

This is a joke right? Positive population growth = broken?Millions of people live in London despite these negative factors, so only parts of it are broken, other parts are so attractive as to draw in vast numbers in spite of the problems you list. So it's not 'simply' broken, there are parts of it that are clearly working .