I think he loathes God. I think they're all in rebellion in one way or another, loathing God for getting in their way, or for not handing them paradise on a platter, or even for not being there. They try to usurp God's throne with earthly power, but it always crumbles.
Despising God's creatures is derivative. They hate their fellow humans, for we are all children of God. They hate life itself, God's gift to each of us. They are the historical pessimists. Their view of life is painted in shades of black. They peck at everything good, for it is a reflection of God and His creation. We see them do this every day.
They never learn that, when you make war on God, you lose.
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Excellent point. You're right.