but that isn't a defect. It was designed to stop a 707 low on fuel circling slowly in fog trying to land, not a plane of similar weight making a beeline straight at it at as fast a speed as it can manage. So it suffered damage that was outside of its design envelope.the kind that makes a giagantic strong skyscraper collapse to the ground if a plane flies into it.
He almost certainly did see footage of the buildings collapsing, possibly more than once if I know news companies, probably not THAT many times.
We forget that people who are invested in the CT or debunking of it have watched those collapses over and over again from every conceivable angle.
It's easy to talk about Trump building towers but he wasn't the architect or the structural engineer of any of them