If you have followed the news, you can see McCallum and Trudeau Jr. had faced many challenges in the Parliament and their own party when they announced they wanted to boost the immigration quota and brought more refugees in.
One of my post in September:
http://www.canadavisa.com/canada-immigration-discussion-board/annoucement-for-new-changes-might-be-delayed-more-refugees-are-coming-t452647.0.html
Plus there were no climax at all. Recommendations are just recommendations, they are not final decisions, and more importantly, they came from a group of businessmen and bankers, who always love to have more cheap workers.