I visited the link and read up some.
I do not possess the technical expertise to analyse the evidences of either group (the official findings or the conspiracy theorists).
The simplest (most mundane) explanations are usually closest to the truth.
You have contributed 1.9% of this topic
I wrote a book on 9/11 shortly after the events for some Ulama. WTC7 was always problematic because we know that nothing had hit it. I consulted "Muslim" civil Engineers in UK and USA to learn the technical reasons for the collapse (if it was at all possible). This took weeks and week of my research. I learned about the Ronan Point in UK which is not part of regulations in US
So the explanation given in this NIST video is technical plausible
I also see what is being said in this clear 58 second video:
This cannot be undone and I am sure it will be greatly appreciated.