If I read it correctly, the probe checks periodically, and if it loses contact, it uses the location of known stars to point its antenna back towards the Earth. If that doesn’t work, it’s gone.
Terry Pratchett, author best known for the Discworld series of novels.
Like, just the billionaires on an island? Who will do all the labor required to maintain their lifestyle? Because they sure as he’ll aren’t. To paraphrase Pratchett, it takes a hundred people standing in the mud to keep one person with their head in the clouds.
We don’t have an overpopulation problem. We have with resources being hoarded by a small handful of billionaires.