I'm not the original commentor, but I tracked this claim back to the reporting of a paper by Steve Pomeroy, who tracked the number of housing units with rent un

I'm not the original commentor, but I tracked this claim back to the reporting of a paper by Steve Pomeroy, who tracked the number of housing units with rent under $750 CAD a month between 2011 and 2016. So I expect the answer to your question to be "they are still available, but at a rent higher than $750".