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.
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: Alien Scout.rar
A more recent take where a scout reports back on Earth's defenses but is misunderstood by locals calling them a "gator". This concept explores an alien scout that deems