Canada and Canadians should support immigration of healthy,educated, thriving, trained people who will contribute to the economy ,pay taxes and integrate while learning the languages of Canadians (French or English). Those who do not meet these criteria are refugees who should be vetted differently as they belong to a different category whom Canadians may have to support indefinitely. Whatever Mr. Poloz says is a statement based on what facts? In the G&M text there is no historical facts to support the theory.