No, I'm not personally attacking religious people. I'm saying that theism is a delusion, and I'm denying that most so-called religious people are genuinely theistic. If they really believed in all the miracles and theological stories they say they do, they'd obviously be delusional, relative to modernity.
Whether psychiatrists can afford to concede that fact is another matter because of the technicality of their concept of mental disorder. They construe disorders as being socially relative. To be delusional in their technical sense, the disorder has to cause you to suffer to such an extent that it prevents you from carrying out your social functions.
Whether a belief is delusional in the ordinary, nontechnical sense is another matter. A delusion in that case would be equivalent to believing something outlandish or preposterous, as in the conspiracy theory that the world is flat, for example. See my article on the preposterousness of theism (link below).
I see from your profile that you're interested specifically in applying psychology to theology and Christianity. Have you specifically addressed in your writings, then, the question of whether theism is delusional? That would seem to be an obvious psychological criticism of religion.
But if we go a little deeper, we can ask whether certain delusions are needed to sustain happiness, given the unpleasantness of natural, godless reality. In that case, the least delusional worldview may be the one that's least conducive to a happy life. That's what my article was getting at, and I've written a lot on this. For example, I've wondered whether philosophy is relatively unpopular, in part, because it's subversive.
