Why Hume Focuses on the Design Argument

On David Hume's Dialogues Concerning Natural Religion (1779). How would a scientifically minded person argue for the existence of God?

In Hume's dialogue, a character named Cleanthes argues from this point of view for God's existence based on the complexity and order apparent in nature: It looks designed. But how good is that argument, and is it enough to prove an infinite God of the traditional sort? With guest Stephen West.

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