Yes, the comment you replied to seems to imply that the earth is an organism that seeks to maintain a particular balance. There may be homeostatic processes, but they're not part of a grand plan to preserve life on earth.
edited to say:
It's interesting that on a long enough time-line, all life on earth is destined for extinction, e.g. the sun expands and vaporizes the earth. So, in the long run, our technological prowess is likely the only hope for our furry (and not so furry) friends.
A recent comment of a recent article about who's the most responsible:
https://www.theatlantic.com/science/archive/2018/08/nyt-mag-...