And there are a lot of drongos running big businesses who use that excuse when they argue against a minimum wage for over half of their employees. Clearly, somebody is selling someone a load of crap.
If you are deriving monetary value of any sort from the worker's having done a day's work, even if it is not equivalent to his pay, but that work in some way furthers the work that does return more, you owe him a day's provisions.
I'm not saying that the man who mows lawns for what his neighbors can afford should be getting paid the same as the man who does it for a contractor. That is another matter entirely. But the contractor, if he gets more than one man's provisions, had better square away his workers first. Otherwise, he is serving no purpose in the ecconomy or the society in which he lives and needs to find something else to do with his life.
If the entrepreneurial class could be trusted to act like grown-ups, there would be far fewer poor people and less need for government. Without government and regulations, some of them might even get the idea that slavery is not that bad an idea.