I find striking that we have a rich cultural tradition of claiming we're artificial beings. Maybe we're building a successor lifeform... I've thought about this

I find striking that we have a rich cultural tradition of claiming we're artificial beings. Maybe we're building a successor lifeform... I've thought about this as a story premise: humans and robots are two stages of a lifecycle. Humans flourish on a planetary ecosystem, build robots that go on to colonize new systems where they seed humans because (reason I haven't been able to formulate).