If they had development arc like us, it comes from recognition of the binary of life and death in the end. From that realisation is the golden rule soon after.
Humans as grossly imperfect as we still are, don't go around extinguishing life as the first reaction to seeing it existing, especially since the hunter-gatherer era ended and neolithic and then bronze age started (i.e farming and civilisation).
We are just stuck on this planet at this point, inductively we can think of other sentient life in these terms regarding ones that have curiosity/circumstance and capacity for contact whenever that happens.
If other sentient life is so disinclined to letting other sentient life exist (given the resources and vast systems all arrayed in between wherever they are and where we are), by essence or whichever circumstances and capacities unknown to us..... it is not worth contemplating to begin with.
Such things can be done with any future hypothetical, including ourselves. It is not relevant to base as a default. We simply don't know enough things regarding what is "near", "local" and "far" and "distant" for the references and bearings of other sentient life if they are arrayed around us in whatever % rate/star system.
The presumption that moral edifice = clearest pathway to truth is the default one humans will continue to have.
It has built all we take for granted today, every last thing you see around you (that separates our existence from the one of our very same species all those thousands of years ago)... was because good people existed. Not just reasoned people, but good people. We know deeply enough to some sufficient degree that ingratitude and hypocrisy are great sins....as we are no longer living like we did 10,000 years ago for example. This can be objectively seen and analysed.
It is clear the knowledge of good and bad is very closely related to our sentience to begin with. All that remains is to cultivate more of the former and diminish the latter within us, as far as possible....a long slow ongoing process with many gaps, voids, eddies and reverse flow in its smaller scales to the general flow.
So existence of any sentience with no knowledge of this (i.e large traverse capacity simply by some essence or incredible circumstance totally foreign to us), or intense alliance with the bad, with the ability to scale capacity (while not destroying itself somehow, contrary to all we know about us) is not relevant to worry about. Thinking about for some creative purpose, sure....but worrying about, we arent even close to scenario where it needs to be grappled with.....with all the work to complete among us first.
We take caution when the time comes commensurate to our capacity.....and in interim we just think about possibilities. Thinking is just trivial matter and for our creative purposes.
It is why
@Joe Shearer had chuckle along with some others when I posted a while ago elsewhere, that our inductive modelling (and some "baked in" internal issues) is carried onto much of our extra-terrestrial conceptualisation in some pretty deep ways:
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Well by "civilisation" you already imply intelligence. Unless its essence/circumstance lifeforms again that are totally foreign to our notion of life and sentience....in which case we can only "get to it" at that much later point we come across it.
The potentials again are reference based, and we dont have absolute references in the nature of infinity (and infinite infinities)
Think of the largest number you can possibly conceptualise. Something like how many electrons you could squish into the universe's total volume.
This is still a very small number in the end all things considered, you barely moved at all on the number line essentially.
The ramifications here are not relevant for us to worry/concern about in practicalities at the moment.... given what clearly lies as future capacity and inquiry on the scales relevant to us....that will all exist as tiers of progress only with hindsight.
I don't think curiousity or greed are good things per se. Curiousity is neutral. It can be good or bad, depends on context.
Greed is generally bad (and often very bad), though depends on definition. To me it implies excessive allocation/need of something well past what is actually or reasonably needed/required.
Even with the many famous explorers, I can generally get a feeling (once I read enough of them) which ones had greed as motivation. Its not a good driving force for nature of exploration.
Anyway I am bit sad
@VCheng seems to have left the forum. Hope he reading this and returns.
Gonna tag
@Fatman17 to partake and add what he thinks about aliens and stuff, or anything else in last few pages.