The aim of exposure therapy is to purposefully trigger anxiety so that the anxiety sufferer can practice feeling uncomfortable while not engaging in the usual rituals or escape strategies.
There are a whole lot of myths floating around out there when it comes to OCD. Even among mental health professionals, it tends to be a very poorly understood condition.
"What if you are secretly a violent person who is going to kill someone in the future?"
"What if you are going to hell?"
"What if you have cancer?"