The city I live in isn't restricting it. Condos are going up as fast as they can be built and the parks are still filling up with tent cities and rents are still doubling. Something just doesn't add up. I'm in Canada (don't want to give exact city, sorry).
I don't know if you've looked at Canadian housing news in the last few days, but do you really, really think that "condos are going up as fast as they can be built"? Because if you do, I think you're very misinformed.