Nobody can read minds and know exactly what Elon is thinking. But I'd say that the elephant in the room that not even Elon can dive into too deeply is that the

Nobody can read minds and know exactly what Elon is thinking. But I'd say that the elephant in the room that not even Elon can dive into too deeply is that the real issue is WHICH populations are declining. Nobody would voice any concern if suddenly Japanese people started humping like bunnies and their population was set to reach a billion in XX years. The issue is that productive and educated people are not reproducing as much. Unproductive and uneducated people with their hands out for aid are reproducing a lot. The problem is that only one of these groups has a chance to get humanity to the stars.