Good points.
But the one you miss is that it isn't all just about humans.
The planet, and what is left of its wildlife, take center stage, here.
If the only thing humans are able to achieve, is the elimination of everything else, who gives a toss about the survival of their civilization?
I disagree with Conservationist's position, vehemently.
But until I come up with a more effective idea, then I am compelled to give it consideration.
Not that what I may think means squat.
I consider, that's all.
Unemotionally.