Charles Spurgeon Commentary 2 Kings 17:39-41

"but Jehovah your God shall ye fear; and he will deliver you out of the hand of all your enemies. Howbeit they did not hearken, but they did after their former manner. So these nations feared Jehovah, and served their graven images; their children likewise, and their children`s children, as did their fathers, so do they unto this day." — 2 Kings 17:39-41 (ASV)

Trying, as far as ever they could, to link the old idolatries with the worship of the true God, which is the most loathsome in the sight of Most High.