Worst atheistic argument?

[Tiberius]

Just wondering what you think the worst atheistic argument is? This could be an argument you've used before, or one that someone told you (and you then poked holes in).

The Problem of Evil. I've been addressing that one for years, from armchair philosophers to renowned scholars, and not once have I seen a formulation of it that actually works. It's compelling force is pure sophistry, a brute assertion decked out like an argument that does not stand up under scrutiny. It is nothing short of ironic that one of atheism's weakest arguments is considered by so many as its strongest argument.

I could say the same thing about TAG