Is it really about saving the Earth?

These days everybody seems to be obsessed with the idea of saving the Earth. But there are a few people who disagree, who deny that the Earth needs saving. And I agree with them. The Earth doesn't needs saving from us, simply because we aren't strong enough to destroy the Earth and even if we try the Earth will simply erase our existence. Not because it isn't a caring mother but because if we destroy the Earth it will result in the destruction of many other species that live with us. Thus to save its other children it will be forced to destroy us.
So it's not earth who needs saving from our deeds, its we who need saving, for its our existence that is at stake.