There are various motivations why E.T. might be interested in our little patch of real estate – Planet Earth. Scientists interested in that issue, not to mention vastly more sci-fi authors and Hollywood producers, have given quite some considerable though to the question.
Diplomatic – The “Take Me to Your Leader” Scenario: If the UFO extraterrestrial hypothesis (ETH) is correct then obviously the ‘land on the White House lawn with a take-me-to-your-leader’ scenario would be the obvious course of action for E.T. Translated, E.T. wants to not only establish diplomatic relations, but probably engage in interstellar trade as well. That hasn’t happened over six decades on; therefore the UFO ETH is ridiculous.
An obvious answer to that is we humans don’t come up to a flock of crows (rather intelligent birds by the way) or introduce ourselves to an octopus (invertebrate intelligences in their own right) with a wave and a handshake (wing-shake; tentacle-shake) along with a hi-ho “take me to your leader” or “let’s establish diplomatic and trade relations”.
By the way, why is the obvious landing site the White House lawn? Why not outside the walls of the Kremlin, or within the Forbidden City, or for that matter on Easter Island, the lawns outside of Australia’s Parliament House, or in nice sunny Bermuda?
Conquest – The ‘War of the Worlds’ Scenario: According to hundreds (probably thousands) of sci-fi writers and of course Hollywood (and Hollywood equivalents around the world), alien invasion is even a more viable and realistic scenario – as entertainment anyway. But that hasn’t happened either, but that’s no argument to suggest that because there’s been no alien invasion that UFOs can’t be alien technology. The U.S.A. hasn’t invaded Canada anytime lately and America has appropriate technology to do so if it wanted. Still, UFO skeptics who believe in the ‘Mars Wants Women’ scenario, say E.T. isn’t here because E.T. isn’t today our Imperial Leader Most High – our Global Head of State (Universal President, Master-of-the-World, Prime Minister Supreme for Life, or our Lord-on-High World Dictator; whatever). https://zoomiescanada.com/
The obvious answer to the lack of any invasion scenario is that E.T. could find whatever it wanted in terms of resources closer and far cheaper to home base. What can Earth offer that couldn’t be had closer to home at far less time and expense? – Certainly not water, or minerals or energy or real estate. If there is one end-of-the-world scenario that we don’t have to lose sleep over, it’s invasion and conquest by extraterrestrials. That’s unless one should suggest that E.T. will invade and conquer; rape and pillage just for the sake of invasion and conquest; rape and pillage. Maybe, but after six plus decades, E.T. is either rather unsure of itself or undecided about the merits of doing so. So, my guess is that if it hasn’t happened by now, it’s not likely to.
That leaves other motives – scientific, economic, etc. Let’s examine human equivalents. Humans have explored ever since we had the ability to explore. We’ve boldly gone, in person or via machine surrogates, to the depths of the ocean, to Antarctica, to the Moon, and to all of the planets (actual, or in the case of Pluto, on route). All this exploration for all practical purposes has been for the sake of just science, pure science, and nothing but the science.
Of course there’s usually an ulterior motive in the back of the mind – exploration leads to exploitation. We explore, we like what we see, we colonize, we exploit, we build resorts for R&R, we migrate to escape various forms of environmental/political pressures, we mine for resources, and we farm for food and do more besides. Today the Moon is for science; tomorrow we may exploit its resources. Why should the E.T.-Earth relationship be any different? Well I’ve already noted that when it comes to resources and exploitation of those commodities, Earth has relatively little to offer when looked at from the point of view of cost effectiveness. I mean you don’t go clear across country to pick up a loaf of bread you can find at your local supermarket several blocks down the road. But, when it comes to holidays, humans don’t always take the cheapest option. When planning that round-the-world trip, cost effectiveness isn’t an issue, otherwise you could just surf the world via the Internet as virtual reality from the comfort of your living room.
Tourism – The R&R Scenario: Being a rather nice sort of planet, perhaps one or more of our cosmic visitors from the distant past decided to set up shop on Earth, either as a place for a brief R&R (maybe they thought Mount Olympus, Mount Meru or the high Andes might make a nice resort location) or a ‘permanent’ home-away-from-home. Perhaps Planet Earth was colonized by extraterrestrials long before humans were dreamt of in anyone’s philosophy.
Going with that flow, E.T. would have had no moral or ethical qualms about using Planet Earth as an R&R resort and/or base of operations way back then. There was no intelligent life and indigenous civilization already present – the Prime Directive (assuming such a concept is real as opposed to the fictional “Star Trek” concept) would not apply.
So our advanced extraterrestrials set up shop on Planet Earth as an R&R home-away-from-home, sort of taking dominion over this paradise / nature reserve / national park, perhaps with a view towards eventual long-term colonization. Fast forward to today; once an R&R spot, always an R&R spot. And Mount Olympus certainly beats L.A. or Tokyo or Calcutta as a resort if your one of those extraterrestrial ‘gods’.
Science – The Curiosity Scenario: Visitations to Planet Earth whether they be 4.5 billion years ago; 450 million years ago, 45 million years ago, or 4.5 million years ago, probably were scientific expeditions – aliens exploring strange new worlds, seeking out new life forms and new civilizations. We’re cosmically interesting real estate because we have a biosphere, and presumably planets with biospheres are relative rare in cosmic real estate terms. So, alien biologists will be rubbing their tentacles in glee when they get to explore a new biosphere. So once they have explored our strange new world and our new (if still primitive) life forms, then what? I suggest that initial random visits (as calculated by professional astronomers and physicists within the ballpark of one per 10,000 to 100,000 years) will translate into ongoing and ever more frequent and routine examinations. Perhaps science eventually translates into more commercial areas. Science finds the resources; business exploits them. Perhaps we (Planet Earth) are exploitable, not in terms of commodities like minerals, but as biological commodities. Those won’t be closer to their home since terrestrial biology is presumably only found terrestrially. Terrestrial life might be purely interesting in the way an ant colony is to an entomologist; it might be practically interesting in that, as we have found, biological organisms contain all sorts of valuable pharmacological chemicals. Presumably if E.T. biochemistry is akin to ours, perhaps some drug obtained from one of our magic mushrooms might cure their cancer.