Sleeping frt dog..
your are quite right, unbelievable why anyone should want to do that, I also thought there was legislation in some countries about pax being behind the freight ,as well as the cost of converting it to a full freighter, you would have to take out the bulkhead/net and put one forward, along with the inconvenience of loading at the back, that is a very angled situation.
But I suppose it made sense to someone somewhere, reckon it was an accountant.
http://photos.!!!!!!!!!!!!!!/photos/p.../2/0976206.jpg