https://www.cbc.ca/news/canada/london/london-ontario-real-es...
The median price of a single-family home is C$685k. This is one of the cheapest cities in Ontario.
If I "go live somewhere else", that means moving to Texas where I can triple my take-home pay as a software developer for a significantly lower cost of living.
Labour is not a perfect commodity that can be moved around. Once someone leaves Canada, they're probably not going to cut their earnings by moving back, even if we fix the housing crisis.
This has already happened with AI. Go look at Geoffrey Hinton's students and researchers at the University of Toronto.