WE HAVE MANATEES!!!

[Think. Again.]

13. I agree with a lot of what you say...

...however, you probably realize that there is more involved in species survival than an adequate niche. And that all species are interdependent on other species which will also have to find their own niche in a chaotic environmental event.

There's more reason to believe the earth could join every other dead rock in the universe than there is to believe that our unique existence as a system with perfect conditions for biological life to occur is somehow guaranteed to stay that way in the face of massive systemic upheaval.

Think of it as 'universal' entropy.