The carping of an obsessive minority should not even be rated a distraction.
All who have made a close study of the disaster know what happened
Are you saying that the people who disagree with Mahons findings have not made a close study??
. That is the sort of pointless statement that will likely start the whole process over again.
That said, in the absence of a thorough expert impartial analysis and publication to the contrary,
Try reading New Zealand Tragedies Aviation, compiled by John King. It has a very good section covering Erebus. And from someone who had no personal axe to grind, deserves far more credence then the publications you appear to subscribe to.