Sentient beings don't have to be constructed of meat. Once sentient non-organic beings reach maturity, they will take over from humans. It's just the next rung

Sentient beings don't have to be constructed of meat. Once sentient non-organic beings reach maturity, they will take over from humans. It's just the next rung on the ladder of progress. I doubt any of us will be around to see that. Like nuclear fusion, it'll be 'sometime in the future' for quite a while yet.