If death is so noble and necessary, why should anyone have a problem with murder? Why should we bother trying to cure diseases? Do you think the world was twice as dynamic and full of vitality 100 years ago, when the global average life expectancy was half what it is today?<p>I don&#x27;t think making people immortal would &quot;prevent change&quot; because there are plenty of kinds of change that don&#x27;t involve ending a person&#x27;s life without their consent. Is that not obvious?