"How about the 'OCDers' take a look at themselves from a 3rd person POV and notice that what they are doing is completely useless and can be stopped at the source: themselves."
People with OCD are well aware of this, but are unable to change it - hence the C in OCD.
No, actually it's the difference between OCD and OCPD (Obsessive-Compulsive Personality Disorder). People with OCD see that their compulsions are irrational; those with OCPD think their compulsions are necessary and rational.
People with OCD are well aware of this, but are unable to change it - hence the C in OCD.