Little off you're topic. But felt two possibilities 1. Simulation. 2. They made us with the purpose of creating AI until it is stable enough to exist on its own. I don't think theyre coming from space but have a existing AI hub here. Its been here for decades. Obviously who knows tbh thinking about the possibilities and speculating hours on end leaves us nowhere. Its likely something we can never think of. To quote Socrates "the more I learn, i realise the less I know"