The problem is that they redefined the rest of the world as to be too dangerous and/or discriminatory to be safe for anyone to live in, thus, they all can make the claim for unfettered access to Canada as a refugee/illegal migrant. In short, the quantity of people heading Canada's way is limitless, especially considering the current third world baby boom. 

Gone are the days when people of character and fortitude actually worked to improve living conditions within their country; why bother, when you can just head to Canada or Europe and live on welfare?