I think it's worthwhile to catch up to the many years of reporting and documentation on this topic:
Toronto’s undocumented migrants – most of whom initially entered the country legally – grapple with substandard employment
https://amnesty.ca/temporary-foreign-workers-report/
Exploitation, discrimination and abuse are integral features, not bugs, of the Temporary Foreign Worker program
https://www.cbc.ca/news/canada/toronto/migrant-workers-rescued-york-toronto-1.6767167
A single foreign worker blew the lid off a massive international trafficking ring north of Toronto, police say
'This is the new slavery’: Migrant farm workers underpaid, abused and injured
nearly 80,000 migrants worked in agricultural jobs under Canada’s Temporary Foreign Worker Program
This is the plan that the NDP had to strongarm the Liberals into enacting, and they eventually did but only after gutting a lot of the provisions and coverages. Then the Liberals half-assed the roll-out.