For what it's worth, in one of the old videos the CEO did, he mentioned that they kept two or three of the controllers on board. I think the stuff about game controllers and RV gear is overblown and almost certainly not what caused the problem. The bigger issue to me is the fact that they picked "exotic" materials for the pressure vessel (which while strong, are more brittle and fail more dramatically than steel), didn't get them properly tested or certified, and if they somehow had been found adrift, put no engineering effort into escape or communication in an emergency.
Though thinking about it, I guess the game controller thing is relevant, at least to the extent it points at a pennywise and pound-foolish operation trying to value-engineer a business to go to the bottom of the god-damn ocean. Carbon fiber and tungsten sound amazing, until you realize that a big part of using them was to create a vessel big enough for 5 that was also small and light enough that it could be toted aboard any ship they could rent, and would then be set free from its launch sled by dudes undoing bungee cords.
The Coup in Niger Is About Power. Russia Will Exploit It. (www.theatlantic.com)
The most exciting explanations for Niger’s upheaval are globe-sweeping and probably wrong....
"Debris field" found near Titanic in search for missing sub, U.S. Coast Guard says (www.cbsnews.com)
The sub went missing while carrying five people to the wreckage of the Titanic.