It's actually a pretty accurate use of the term. Immigrants end up taking less money and putting up with very bad workplace situations because many of them end

It's actually a pretty accurate use of the term. Immigrants end up taking less money and putting up with very bad workplace situations because many of them end up forced to work for a particular employer or return (at great expense) to their home country. I don't think that's rhetoric. The work permit system in Canada is much less problematic.