Isn’t that all a matter of subjective opinion? If a beaver floods a field and leads to the extinction of some small species, is that “unnatural”? What if huma

Isn’t that all a matter of subjective opinion? If a beaver floods a field and leads to the extinction of some small species, is that “unnatural”? What if humans flood the same field? An even bigger question - if humans didn’t exist, does the earth have any intrinsic value at all?