Yep, the primary problem is Africa.. but if the earth becomes inhabitable (this will happen sooner or later) this problem will be solved. But it'll most likely be brutal and preventing that brutality is precisely what I think humanity should focus on..
Read the last sentence of my comment again.. and again, until you understand what I'm talking about. LLMs won't help as they're brainwashed to avoid this topic.
Extinction on earth will happen and that's an undeniable fact.
AI is made by humans, humans are biased towards existence, and if AI came to conclusion that humans should stop reproducing that would be seen as "oh, that's a dangerous AI that wants to kill human race".