Of course, this sort of modern day slavery should be outlawed and, if TM actually follows this through that can only be welcomed. I'll only be really impressed, though, when I see whether anything is actually done. It's an issue that can be quickly forgotten about by the general public. It has, however, enabled an increasingly unpopular government to appear "caring" and proactive.
Meanwhile, there is an onward march towards employees being forced to accept zero hours contracts on minimum wages if they wish to work at all.
It's very sad that the young man felt it necessary to (and was allowed to) work ridiculous hours in order to prove himself. However, as others have said, this was a choice he made in order to try and secure a highly paid permanent position.