To people who think this is okay: Would you want all levels of management above you listening to everything you said at work? Would you wear a wiretap and have every word you say recorded with the possibility of management listening to it at any time.
If this goes through, it will decrease safety, because people will NOT talk as much, out of fear/paranoia that the company is "out to get them". It will put a damper on communication. The CVR is there, and can be pulled when there's a reason, I do NOT feel that random downloading could possibly accomplish anything good.
There is already a tool in place for observation of pilots: Checkrides! Also, professional standards deals with issues of non-professionalism & safety.