This concept explores an alien scout that deems Earth "ripe for picking," only for the main force to return to find humanity has rapidly advanced to the space age.
Are you writing an essay on , which the search results also touch upon (see)? Alien: The Horror You Don't See | Video Essay
Is this a you read (maybe in the "WP" link above)? Is it a PDF or creative work from a specific forum?
A concept exploring a stranded alien trying to blend in with "hairless apes" (humans) while remaining a secret, playing on the paranoia of the unknown.
A more recent take where a scout reports back on Earth's defenses but is misunderstood by locals calling them a "gator".
If you are looking for a specific essay analyzing a story called "Alien Scout," it may be a fan-fiction piece or a user-generated story rather than a published literary work. If you can clarify, I can find exactly what you need: