[morkalork]

While the USA exploits undocumented workers in agriculture etc., its not like being documented is a huge step up either. In Canada, there's a whole (sub) class of legally imported labour under the "Temporary Foreign Worker" program that's exploited in a similar way.

[int_19h]

A big difference is that a person working in the country legally can report labor code violations to the authorities without risking immediate deportation.