I have a significant disagreement with this from that link:

I see a few fragile and improbable victories against a backdrop of malice, stupidity, and greed—the tiny amount of good humans have accomplished in constant danger of drowning in a sea of blood and tears

Since destroying things is MUCH easier than building, if humans weren't substantially inclined toward helpful and constructive values, civilization would never have existed in the first place nor could it continue to exist at all.