the original discussion was between two apparent experts in plane engines and physics, respectively. I thought both relevant. Neither were trying - as I understood it - to promote any wider view of conspiracy or anything else. Simply discussing something that both knew something about.

Now I'm not sure of the timeline here, but in my opinion the level of debate changed after your comment about it being 'mindless'. But I may be wrong, I often am.

What started as a discussion of the professional interpretations of facts or evidence, became something else. However it could well be that our own views rorschach into how we interpret any discussion here.

You can't be me, I'm taken