Earlier quoted context omitted.
Pretty much every mainstream economist put the blame for this squarely on the massively increased regulation of the housing market since the 70s causing a massive decrease in the amount of new construction, not wealth itself.
That's simply not true. Economists who try to explain the housing crisis have pointed to increased regulation, cheap credit leading to an asset bubble, speculation, ill-advised tax cuts for homeowners, NIMBYism (not by government but by current residents), irrational buy vs. rent decisions, changing preferences for city vs. suburb, relaxed downpayment requirements, changing lifestyles and demographics with bachelors…
In the UK the equivalent of 'zoning' regulations keeps M low. Government 'help to buy' here exacerbates the problem as it directly increases N without directly increasing M.
The fundamental model here is musical chairs.