Thanks for the support twinstead.
My post was actually a preliminary to lay the groundwork for what could follow if I choose to pursue the discussion. The reality that achimspok does not address is that there are two big lots of evidence standing between the pseudo zero base he chooses to argue from and any finding as to why WTC7 collapsed. Those two lots of evidence can broadly be described as "technical" and "security/logistic". He is only addressing the technical and he limits it to the technical by a distorted misuse of the scientific method.
No matter what achimspok et al find by the micro examination of technical detail it will not alter at all the evidence in the domain of what I call 'security/logistic' issues. Briefly put there is no way that 'human assistance' could have been invoked without getting caught. In fact that definition is probably too narrow - add 'why do it anyway'.
So, if the implicit goal is prove 'human assistance' then why bother with all the technical stuff - there is a far bigger barrier awaiting no matter what they 'prove' in the technical domain.
As I have said on several previous occasions I have no objection to a technical discussion. I am not likely to take part if that is the goal. I have no significant problem if the goal is 'prove NIST wrong'. Others may not agree with me on the latter and I may buy into that one if the illogic gets too ridiculous.
But achimspok persists in representing the technical detail which is only part of the whole picture as if it was the whole picture. A false claim which I called him for in my previous post. A false claim that he continues to put forward multiple times in his response. Whether he genuinely doesn't comprehend or is being deliberately mendacious matters not.
So much for this 'progress report'. I will consider a reply to achimspok's post later today (UTC+11 here).