It's not an issue of whether they are aware or not. By the author's own admission, they are only staying because of their own sense of duty, that the debt is illegal, that they are being defrauded.
It's one thing to say, workers are being shorted, cheated, etc, but if your headline is "your iphone is being built by slaves" then you should be referring to, at least, people who are being held against their will. Not simply people who are confused about the law and are working for free because of this confusion.
So you're saying they are confused about their legal rights? As in, they are threatened with violent arrest, imprisonment, loss of their children, and torturous prison conditions. You don't see the powerful coercion to perform bonded labor here?
Never mind that the slavemongers are generally incredibly abusive on their own because their victims believe they will have no recourse from the government.
It's one thing to say, workers are being shorted, cheated, etc, but if your headline is "your iphone is being built by slaves" then you should be referring to, at least, people who are being held against their will. Not simply people who are confused about the law and are working for free because of this confusion.