Originally Posted by Rock Chuck
... by that time, God had had enough of the Canaanites. He told the Hebrews to utterly destroy them, to kill every single person. They got off to a good start in doing it but when they got possession of the land, they quit. They didn't finish the job of wiping out the Canaanites and left many alive in the land. That was their downfall. ...

There in lies the crux of the issue. Saul got either lazy and/or greedy. And the world has been paying the price ever since...