I am sure banning that wealthy family from China will do “something” to help alleviate the crisis, but I think putting restrictions on capital being used to buy up homes that aren’t primary-residence should be a priority and will have much larger effect.
And to be clear - as it stands with the situation in real estate being what it is right now, I am in favor of massive taxes on real estate investments that are to be used to finance affordable housing to be made available exclusively to first-time buyers and primary residents.
I hear about people pulling out equity in the form of HELOC's to put a downpayment on another home. That's a pretty big chunk of Canadian "investors". And that should scare the shit out of anyone considering that was a major problem in 2008 in the US. People vastly over-leveraging themselves under the assumption that housing only goes up.
And arguably housing crisis in Canada started with foreign investment. Now domestic players and instituitional investors are also involved in housing market. Together there are enough parties involved not to let housing prices go down.