I am afraid that link says “offline for maintenance.” But I have seen pics posted by others of contrails. I have also watched hundreds of real life airplanes leaving contrails both coming and going. That is the one thing that is completely different. Airplanes always eventually pass overhead or past your position leaving a contrail that covers the sky from one side to the other. They never start in one compass point of the sky and end in the same compass point.
Yeah, his site is getting slammed right now (can't keep up).
Here is his "overflow" site: http://uncinus.wordpress.com/2010/11/09/4/
Here is one of the pix from his site:
Photo of jetliner contrail taken Dec. 31, 2009 near San Clemente, CA.
How do you know it didn't? Just because they don't show it in the video doesn't mean it didn't. I imagine someone continued to tape it but we just haven't seen the end. Most people would think they have already seen enough.
It would if it were moving up away from you.