In my experience with therapists, therapists are not likely to admit they are idiots. A therapist who claims to be a therapist, but does not know about the most primal emotions in the human mind, is an idiot. So when they are questioned about the most primal instincts of the human mind and confidence (Gender Identity and Sexual Identity), they will not admit they know nothing of what their profession seemingly is built on.
Instead, they will try to convince you that GID is a choice caused by stress or outside forces and not a condition that should be taken seriously on a medical level - they'll throw all sorts of excuses at you, from "You look girly enough, you don't need hormones, you just need a wig!" to "Oh, the legal coarse of action here is for you to dress as a woman for 40 years and then I will write you a letter for hormones and surgery." trying to confuse the patient. My current therapist is doing this and I'm planning on planting a tape recorder on my person so that I can expose the practice to the Psychiatric Association, much in the fashion of the recent Bachmann Associates Battle.
However, an educated therapist will either know all about the subject (in a 2011 manner), which harbors pro-choice attitudes in all areas of transitioning including Facial Feminization Surgery, Gender Reassignment Surgery, Estrogen, Anti-Androgens, Today's Fashion Choices and Trends, Career Advice for Gender Identity, and other relating subjects. If the therapist is mature and thoughtful, but does not know of these subjects, a good therapist will recommend someone who does.