If one man sin against another, the judge shall judge him: but if a man sin against the LORD, who shall intreat for him? Notwithstanding they hearkened not unto the voice of their father, because the LORD would slay them.
They hearkened not unto the voice of their father, because (it should be therefore) the Lord would slay them. It was not God's pre-ordination, but their own willful and impenitent disobedience, which was the cause of their destruction.