As long as their are thoughts and opinions, there will be different thoughts an opinions.
As long as we differ, we will fight. Until we're all-but-dead, war will not end.
Quite a few people can live in peace, but not the majority. We are too many to change the minds of now.
That's the reaction most people were expecting, a "wait wait I messed up a little" sort of thing. Not that it couldn't be true, just that the possibility of it being so was somewhat ruined by the fact.. That we all knew he was going to say that, too.
And, though I doubt the world will make it that long, and I seriously doubt humans will make it that long, there is a time when the world will indeed end. Look up Galactic Cannibalism.
But yeah we won't make it that long.