It's good to be sober rather than drunk with false hopes, based on death.
It's not nice to fool Mother Nature.
It's not right to mess with this kind of stuff either. Medical science is replete with examples of things that have backfired. We aren't going to live forever on this planet; we should be more concerned with getting people ready for the next go round. But then, that's never been very popular. The Amish have it right.