It is not really the same because any of your examples would not supposedly coincide with a 1500 BC civ. So none of it would be observable. You would only be talking about stuff in the way distant future that did not exist at the time and only a time traveler would be able to describe.

The Fermi Paradox is a discussion based on that there currently SHOULD be advanced tech and colonized civs at the SAME time we are and have been looking for them. So where are they?

Even ruling out a Earth or even Solar System visit, they should have evidence out there that can be seen. Some sort of energy signature, a space station, satellite, giant mothership as it checks out life detected as us. SOMETHING. The Fermi Paradox says, by now, there should have been at least one Type III civ in our galaxy given how old it is and they would eventually tip their hat to their existence, unless they purposely try and are able to hide themselves.