This seemed like a fairly compelling topic to me, which I approached with an open mind. I tried the youtube video with earbuds and didn't get much out of it. I tried the youtube video again with full circumaural headphones (to take away some of the background noise), and it had a very calming effect. I've tried various relaxation tracks (usually ocean sounds and the like), and this was at least as effective.
I tried listening to the longer version (linked under the youtube video info) using the circumaural headphones in a low sound environment, and this had a much more dramatic calming effect. It actually made me nearly fall asleep at several points, not due to boredom but because it was genuinely relaxing. The slowly changing white noise effect may seem as though it would be grating if you jumped around in the track, but it was in fact rather pleasant. My body twiched a little, but mainly due to muscle spasms from lying absolutely still for an extended period of time while awake. I did not have any sort of violent reaction, but I cannot say that I was listening to exactly what those kids in the various reaction videos were listening to.
In the end, I can't conclude whether or not something like this can genuinely make someone high. However, it did make me quite mellow (happy even) by the end of the file. I am concerned by the reactions of those people who seemed to be under duress during their listening session. I could easily see the lengthy segments of noise causing agitation or fear in people who are expecting a sudden change at any moment. Having listened to the youtube video in advance, I knew that wouldn't happen.
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