It's a subtle point, but theocratic doesn't mean "rule according to religious dictates"; it means "rule by the clerical arbiters of religious dictates." Medieval Christian states, with the notable exceptions of the Papal States and Montenegro, were not theocratic. In other words, Iran is a partial theocracy; Saudi Arabia, at least de jure, is not. Nevertheless, official religion is probably a more oppressive force in Saudi Arabia than it is in Iran.
The Christian Reconstructionists give me the willies just as much as anyone else around here, but it is probably not correct to label them theocratic (and the fact that they aren't theocrats doesn't make them less dangerous).
Voting your comment up for being a valid point. That said, while that may be the intended use of theocratic, but in context here it seems that the poster intended to mean theocratic in a more general sense. I
Note that given the historical existence of the Papal States, the claim is, even when interpreted in the narrow sense, still wrong.
This also runs into the problem that many governments in the Islamic world did not generally have a theocratic element in this narrow sense. The Ottoman Empire for example did not have clergy members involved in politics (...
I wanted to bring attention to two posts from Razib Khan's Discover magazine gene expression blog (some of you may have been readers of the still active original gnxp) on the polemic surrounding Pinker's The Better Angels of Our Nature.
Relative Angels and absolute Demons (and the related But peace does reign! )
I generally agree with some of his arguments, but found this quote especially as summing up some of my own sentiments: