I don't know about that but generally the idea through some parts of history was "What's the point?" You go overboard there's no coming back aboard. Your ship capsizes and no search and rescue's coming. Better to just get the drowning over with than prolong the inevitable.
Maybe they're like ancient sailors and believe knowing how to swim will anger Poseidon.
Was that actually a thing they believed? Serious question.
I don't know about that but generally the idea through some parts of history was "What's the point?" You go overboard there's no coming back aboard. Your ship capsizes and no search and rescue's coming. Better to just get the drowning over with than prolong the inevitable.