> But don't you ever wonder why after 14 billion years and with a hundred million star systems in the Milky Way, we still haven't heard a peep from anyone out t

> But don't you ever wonder why after 14 billion years and with a hundred million star systems in the Milky Way, we still haven't heard a peep from anyone out there? I'd say it's unlikely to be AI, just because the AI could wipe us out and then go on to eat the universe. It's not a valid Great Filter candidate.