Originally Posted by
eddym
Interesting point, but I don't think so. Religious art, I believe, is more likely didactic. It's purpose is to teach some fundamental of the religion, or in many cases to instill in the viewer a religious sentiment or feeling. In the best case, it might instill in the viewer a religious epiphany or transformation. I would not call that commercial.
If it is used outside the church, then it could more more likely be commercial, intended to invite the viewer to enter the church. But once inside, I would not call most of the art commercial, but rather didactic.