Yup.

An administrator of a Facebook page can hide a comment made on that page to all but the commenter himself and his friends. The other comments that the author saw disappear were most likely hidden while he was logging in/out. No conspiracy, just a spineless Facebook Pages feature.

Yes, the video will be posted youtube.com/redbull in the next few hours.

He also did an IAmA in support of the project a few weeks ago: http://www.reddit.com/r/IAmA/comments/yc1ke/i_am_joe_kitting...