To be fair, it's called "intelligent", not "omnipotent" design, but still.
Those types always claim omnipotency as well. So you'd expect an omnipotent being to make it perfect for everyone. Since it isn't, the being's either ignorant or sadist. Or, wait for it - a fucking fairy tale. And with ignorancy one can hardly claim a respectable level of intelligence.
Let's just settle on SI, Schrödiger intelligence.