"but the media have usually seemed to stop exploring things"
T think this is true - the least "aligned" of the media make public things like THIS, it is ignored or denied by them in charge, than all but The Guardian and the Indie, both noted for their highly reputable investigative journalist, drop it
In the case of testing, this remains a major problem and a bone of contention with those who have to mop up the mess
Indifference rule OK with far too many, it seems
Jim Carroll