cause of death
broken $34 Logitech F710 used as the main functionality control for the maneuver of the submersible/submarine implying further underfunding and therefor creating implication that something vital such as the welding could have been corner-cut and have burst during the arise of the submersible causing first the passengers on boards' lungs and veins to implode on themselves, then the submarine itself, killing everyone onboard and destroying the submarine in the process