[quote=@Techspert]
<Snipped quote by Heroic>

Because it's no guarantee of survival. You only bypass the whole aging problem, and you get over the "all of my non-immortal friends die, wahh" thing pretty quickly.
[/quote]

I feel like most people would live longer with immortality, other survival factors included or not. Most people don’t just keel over randomly, or throw themselves into danger on a whim.