This is probably more due to companies trying to protect themselves from lawsuits and a greater understanding of how to safely to things than any conservative a

This is probably more due to companies trying to protect themselves from lawsuits and a greater understanding of how to safely to things than any conservative attitude developed due to an increased life span. People routinely jump off cliffs with every expectation that they will live, given the appropriate safety measures these days, and the Darwin awards do not seem to be lacking any candidates.