Basically, it's inequality. It's a 30-year trend globally, where the advantage has gone to, essentially, holders of capital or assets of one kind or another versus the people whose sustenance depends on their wages. There's been a huge separation.
One major manifestation of that inequality separation between wage earners and holders of capital is this consequence. The most important one for ordinary Canadians is the fact that housing has gone out of reach through this inequality problem.