It is not true that a personality disorder necessarily causes a lifetime of "job difficulties and broken relationships." Sometimes it does, but then Bill Clinton was one of the most severe personality disorders in public history and he was quite successful.
Personality Disorder NOS is a suspect diagnosis because there usually are sufficient criteria met to settle on one type or another. One problem not explained here is, psychiatrists are generally weak on the personality disorders. They don't like them much because there is no medication treatment for them, and are seldom expert at the diagnosis.
Finally, it is not true that her diagnosis will be on her discharge papers. That is simply a false statement, probably picked up from one of the advocates on whose opinions the story is based.
Sounds like "conduct unbecoming a Officer and Gentlewoman"