In this new paper, Bryan Frances raises a new form of the problem of evil, which he dubs the Problem of Absurd Evil. Here's the abstract:
Isn’t there something like an amount and density of horrific suffering whose discovery would make it irrational to think God exists? Use your imagination to think of worlds that are much, much, much worse than you think Earth is when it comes to horrific suffering. Isn’t there some conceivable scenario which, if you were in it, would make you say “Ok, ok. God doesn’t exist, at least in the way we thought God was. We were wrong about that”? Pursuing this question leads to what I call the Problem of Absurd Evil.