Thing must have been crushed in half a second under that kind of pressure, people inside probably literally didn't know what hit them, one moment you're alive, and the other you're not. Likely happened hours after they submerged, that glass porthole was definitely not going to withstand that kind of pressure for very long.
Rest in piss bozos, you won’t be missed. Glad everyone will stop going “omg you’re laughing at them suffering?!?!?” Nah they died instantly
save