Realize that many of them represent the best take of many, and that the subject divers don't always look that pretty.
This brought back memories of Andrew on one of the dives in the Red Sea: Vertical in the water, in a wetsuit, wearing a backplate with a slung bottle and another clipped to his hip, with long, blue freediving fins on and a huge coil of nylon rope hanging off his elbow. There were reasons for all those things at that moment, but it was SO not the 5thD-X videos!