Why trial by media in the post-truth era leads to speculation, misinformation and fear

The wall-to-wall media coverage of the Grenfell Tower inferno was predictable. Self-proclaimed experts were dusted off and thrust in front of the camera to speculate, and we have all become experts on cladding and sprinklers.
We continue to witness intrusion into people’s grief and airtime being given to soundbites from the sultans of spin politicising pain.
The problem is that the focus of the media is now on being first. Not necessarily accurate just first. 'Live'. 'Exclusive'. 'Breaking