<i>&gt; On the other hand we have a chance to save the tens of billions of people who will live and die in the 21st century and experience genocide, starvation, disease, child abuse, imprisonment, other violence, etc. We&#x27;re already doing it -- it&#x27;s achievable. It can&#x27;t wait for a Mars colony!</i><p>i don&#x27;t follow. why do you think those horrible things wouldn&#x27;t happen on an extraterrestrial colony?