Me say it was a very brave demonstration. Me think he may have give himself some type of retraining. 10 sectors or something similiar.
He was too high for a flyby. You could barely see the aircraft or hear the people cheer. 10 ft lower would have been much better.
I am very suprised CX where able to pull the videos from youtube. I wonder how much that cost.
Cheers, Smithy