Earlier quoted context omitted.
Being struck violently by an unarmed missile could have caused a massive structural failure of the aircraft, which then exploded. > literally zero evidence for it. There is literally circumstantial evidence for it, as well as eye-witness testimony. This is not "proof" by any stretch, but it's certainly evidence.
My understanding is that the chronology of all eyewitness accounts for the missile have been after the airframe was known to have broken up, meaning that they were most likely seeing large sections of the burning fuselage. Are there other eyewitness accounts that don’t match that, or are you saying that the official chronology is itself suspect?
This statement is absurd on its face unless all the witnesses were simultaneously staring at the seconds ticking on a nuclear clock as they witnessed the plane explode. The whole thing would've transpired in less than a minute. There's no way they could pinpoint the timing of witnesses observations that accurately.