"I think the question is relevant because we see so many examples of the damage caused by belief in demons and exorcism. We see how such beliefs fueled cruel treatment of the mentally ill, and it should make us nervous that the Catholic Church is still pushing this stuff."
More "food for thought:"
We never hear about an atheist being possessed and then healed by exorcism.
SCIENCE (from the Latin for 'knowledge') informs wisdom, reason and humanism. This is a 4-legged worldview within reality that maximizes well-being for individuals and society.