There are countless examples of people finding evidence of ancient peoples who were capable of great engineering feats like pyramids and other structures with simple tools and techniques. To state that aliens must have played in their construction is, to put it mildly, arrogant. (I'm a lot of cases, culturally chauvinistic and/or racist)
Ask HN: Do you believe aliens are visiting Earth?
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Re: Ask HN: Do you believe aliens are visiting Earth?
#22I believe alien life exists. I believe basic alien life will be discovered in the next few decades. I believe it's possible that basic alien life has maybe made it to Earth aboard meteorites. I do not believe intelligent aliens have visited Earth. I never saw aliens, alien technology, or evidence thereof in my time in the Nevada desert.
Re: Ask HN: Do you believe aliens are visiting Earth?
#23I hope they are visiting. And I hope they are smart enough never to provide compelling evidence of their presence.
Re: Ask HN: Do you believe aliens are visiting Earth?
#24Re: Ask HN: Do you believe aliens are visiting Earth?
#25Re: Ask HN: Do you believe aliens are visiting Earth?
#26” how can you explain how megalithic 100-ton bricks structures were build by "primitives"” How can you explain we can today build structures that are 800m tall or reroute rivers? Honestly, good ol human craftsmanship multiplied by available labour combined with ’basic’ geometry gets you really, really far. Industrial processes don’t require individual craftmanship because it does not scale with the speed and velocity…
Re: Ask HN: Do you believe aliens are visiting Earth?
#27'testimony' as in 'statements from people' should not nearly be enough to convince a court. Pretty sure there are also many testimonies that confirm the existence of trolls, elf's, the devil, reincarnation, angels, big foot, Loch Ness monster, etc.
Re: Ask HN: Do you believe aliens are visiting Earth?
#28No, I do not see how any ETs could have gotten here, never mind even find the Earth.
Re: Ask HN: Do you believe aliens are visiting Earth?
#29I believe it’s an irrelevant question until compelling evidence comes to light. I hope they are visiting. And I hope they are smart enough never to provide compelling evidence of their presence.
Re: Ask HN: Do you believe aliens are visiting Earth?
#30No. The timespan of the whole of Humanity will be just a mere blip in the billions of years the universe will exist. The universe is unimaginably big. The spotlight effect is strong here.
But if they were targeting sentient life, then no?