Humans are creatures with limited lifespans. No matter how bad things go... Even if the worst comes to pass, you will never have to deal with it for longer than eighty years or so on average.

[She lifts her hands, playing with sparkles of sunlight that appear around her fingers.]

The consequences of humans are burdens left upon the gods. When humanity has wiped itself out, we'll be the ones who have nothing left but a destroyed world. The 'beauty of impermanent things' is a luxury only afforded to mortals.