Quote:
Originally Posted by eburacum45
But what would stop them? That is the question. From a hypothetical population of diverse extraterrestrial civilisations some may be expansionist; those are the ones we would expect to see. Our experience of intelligent civilisations should show a bias towards the expansive ones- yet we see none.
|
Why should we assume that some may be expansionist? That would assume that the tendency to expand we see on Earth is, if not universal to life at least found in some other species, and we have no way of knowing if that is the case.