Good. Maybe we can stop with all this “it was a hologram” nonsense.
I watched it several times. No difference from the other angles. The plane disappears into the building and no debris sliding down the side of the building. That’s all I’m going to say. Look at it with a critical eye and turn off the emotions for a minute. Then see what you think.
Re: 15 - forget it. If you notice, even with new video footage, the malicious conspiracy theorists are out telling you that what you see is actually not what you see.