The actors started to call the movie "The Abuse" while filming it.
James Cameron almost died himself on another occasion. He lost his air while submerged and the guy supposed to check on him didn't do his job correctly.
The movie industry has a long history of callously risking its own workers lives. It’s gotten somewhat better than in the 1930s, but clearly there is more work to do.
https://www.imdb.com/title/tt0096754/trivia
> Ed Harris reportedly punched James Cameron in the face after he kept filming while he was nearly drowning.