My favorite hypothesis is we just didn’t invent something akin to subspace radio yet. It’s like thinking your little remote island is the only populated place in the world because no one responds to your smoke signals, while the rest of the world uses radio.
Maybe they’re all around us right now, but we can’t see/interact with them for some reason.
My favorite hypothesis is we just didn’t invent something akin to subspace radio yet. It’s like thinking your little remote island is the only populated place in the world because no one responds to your smoke signals, while the rest of the world uses radio.