bearfoil - I'm sorry if I've caused offence. Just to clear the air a bit
I have never couched myself as a 'professional' anything. And not a Mod.
It is often easier to understand a point of view if it is phrased in conventional terminology.
And I repeated a point often made here , that we will not know the details of the investigation until the findings are made known, so excessive conjecture is not very productive.
But I thought my comments re the stub pipe fracture weren't too bad.