No, they don't. They are desperate to keep a foot in the door for just about every illness on earth. One of the criteria for a new descriptive term: "4. can be used readily in patients who also have pathologically established disease" Like barbers of old who also bled people and applied leeches, they don't want to give up business prospects. And the insurance companies are in alignment with them because those mental illnesses just need 6 weeks of GET/CBT and presto! chango! back to work!