The Logical Atheist

Spinoza demolished the intelligent-design argument for God by noting that, contrary to the theists, the universe does not exhibit order. What it exhibits is (the law of) identity. Each thing is what it is -- it has a specific nature -- and does what it does by virtue of its nature. How else could it be?  Thus there is nothing else -- such as order -- to explain. Spinoza was a clever guy! See George H. Smith's article "Freethought and Freedom: Benedict Spinoza" for more detail. 

If a theist finds a watch in the woods, why doesn't he presume that God made it?

Part of the modern intelligent-design argument for God goes like this: in the human world complex things like computer programs have been designed. In fact, they go on, we have no experience at all with such things that have not been designed. Therefore, when we find complex "coding" in the nonhuman world, say, DNA, it is reasonable to conclude -- indeed we have no rational alternative to concluding -- that a designer was responsible. That designer we call God. (An example is here at 13:45.) So observe the premise: no complex orderly processes exist in the human world that were not first designed by human beings .  But that's patent nonsense. At least since the Scottish Enlightenment (Adam Smith, David Hume, et al.), and I'm sure going back to ancient Greece, philosophers have been aware of complex, orderly, and  undesigned  processes in the human world, society in general and the marketplace in particular. In 1782 one of those Scottish thinkers, Adam Ferguson, descr...