Under this principle no human has ever been able to consent to anything in the history of the world. Certainly 99.99% of humans.

This would also imply that the best thing ethically is not to give people goods in exchange for labor because the simple act of interaction with them puts their housing and food needs under your responsibility.

No human can _100%_ consent to anything (… probably: free will is tricky). Coercion is a continuum, not a binary.

I don't really think that companies (or other parties in trades) bear moral responsibility for this inherently — a company that accepted every job applicant to try to meet their inelastic demands wouldn't last long, so the company itself is also under some duress even if it might like to. Trying to assign blame for complex distributed problems isn't really that simple. Your example in particular is a trolley problem, and I (personally) don't believe that pulling the lever makes you more culpable than deliberately choosing not to pull the lever.

But regardless of your chosen ethics, my point is pragmatic — while it's not correct to say that people take jobs only because they are under duress, it's also not correct to base arguments on them acting on their own free will based on their personal preferences. UBI experiments show significant changes in employee behaviour when inelastic demands are guaranteed to be met and negotiations pertain only to elastic quantities.