The speculation you are all making in regard to the actions or lack thereof of the journo who filmed the aftermath, as low and inappropriate as the behaviour you accuse him of. For a start, he is probably not such an 'expert' in the use of recording devices in accident investigation.
People bahave differently when faced with emotional trauma. You can't expect every traumatised passenger to leave their belongings, and keep their wits. Nor can you expect every traumatised passenger to drag as many bodies as they can from a burning wreckage and commence first aid.
How about we leave the therapy and counceling to those trained in critical incident response?