Unsafe but madly entertaining UW video

Nah.
For one the lens distortion masks that he’s going up an incline more or less. Morrison is shaped like a big cereal bowl, with a channel at the bottom, opening into a big sphere… so, on the way up, he’s mostly in a more-gradual ascent.

That, plus he was only down for a couple of minutes, lessening his nitrogen offgass obligation: a ‘bounce’ dive’. he still had to manage the risk of barotrauma, but he seems to know the difference between his middle ears and a hole in the ground. :]