CVRs and FDRs ought to be considered as defensive items by the Industry's lawyers, even before being accident investigative tools, and as such ought to be installed in all EMS helicopters. Of course in the cases where occurrences like WX busting happen routinely could be further investigated by locating MANDATORY WX reporting at all EMS helicopter bases.
Regarding the article I concur with Havoc (I believe) as it concerns itself mainly with finding the best way to squeeze blood out of a rock.