There isn’t a “should” involved. I don’t have hubris in near enough magnitude to think my desires about what species is in control in 3,000,000 hold any signifi

There isn’t a “should” involved. I don’t have hubris in near enough magnitude to think my desires about what species is in control in 3,000,000 hold any significance regardless. My point is rather that if we do die off, there will be something that comes along, and it will in all likelihood be an evolutionarily “better” species than humanity. For instance, if we die in nuclear armageddon, there’s a very good chance that whatever comes next will have significant radiation hardening capabilities, and perhaps would even be able to metabolize radiation. These individuals would be far better suited to be Earth’s intergalactic vanguard.