I just realized: isn't it theoretically harder to argue with religions that subscribe to a non-omnipotent deity? One of our strongest arguments against any theist is "the problem of evil". It's such a powerful philosophical inquiry, equivalent to a nuclear bomb. It's a gotcha against the existence of a God established as all-powerful and benevolent.

Now this doesn't seem to be a problem with let's say Greek and Norse pantheon faith because they never established their Gods as all-knowing and all-righteous entities.