Earlier quoted context omitted.
While you are admiring Darwinism, keep in mind that all-natural ecosystem collapse is a thing, and 6 all-natural mass extinction events had >90% of all living things disappear.
> 6 all-natural mass extinction events Are you sure about that? Or have people just not discovered the cause yet? Pick one, let's explore it.
I do, wonder, given that all the extinctions happened before humans existed, what possible alternative to 'natural' could there be, aliens?