Isn’t this because London is used as a safe place to park dirty money? That is, the supply is artificially low because oligarchs, off-shore billionaires, and o

Isn’t this because London is used as a safe place to park dirty money? That is, the supply is artificially low because oligarchs, off-shore billionaires, and others buy up the supply? That is, London’s failure isn’t about free market pricing vs rent control; but about deficiencies in residence and ownership laws?