Unpopular question, how did a plane and jet fuel burn down a steel reinforced building? I believe in the entire history of buildings built as the world trade centers were, the only ones ever that burned down and collapse are these. The only way as civil engineers have explained it to me, that the buildings structural qualities could have been compromised, are with additional heat sources besides a jet and jet fuel. I…
That's the germ of a bunch of 20 year old paranoid conspiracy theories, basically the 2001 version of COVID denialism.
If you're asking a genuine question, there are decades-old engineering analyses and all kind of layman's translations of them that explain it. I'm sure they can be easily Googled.