The increase in wine glass size probably has more to do with the technology that produces glass, than anything to do with consumption – except so the wine seller can sell more, of course.
It states that there were ‘minor’ injuries to the crewmen – suggests the sub’s damage wasn’t major – could possibly have been caused by the sub being carried off course by an uncharted current, which could be seasonal.
Ah – but who knows what dangers, and evil, lurks in the hearts of men?!?