misleading
heat weakedn steel
stell that is designed to carry certain loads will not carry twice that load for a long time
the building fell because the material left after the impact was weakened by the fire and failed due to fatigue from the excessive load
doesn’t matter how short term the fatigue was, it matters how excessive the load was during the fatigue
Sure. But, the fatigue and weakening of the metal wouldn't be universal like on the buildings. The buildings had a uniform displacement of loss and strength, any displacement of strength would tend to prove a disaster, ie weak side of building collapses, it didn't.