The importance of species shows up in longterm focus on AI. They are worried that AI will eliminate or replace humans. It ignores that AI could be people. Are f

The importance of species shows up in longterm focus on AI. They are worried that AI will eliminate or replace humans. It ignores that AI could be people. Are faithful AI better descendants than diverged humans? Consider the scenario when humans can't live off of Earth so it isn't possible to colonize the galaxy. What is the value of Earth humans compared to AI that can spread across the galaxy?