I agree with you entirely and I'm sorry that happened to you. How belittling. I know this is different but I am inclined to wonder sometimes when people throw around the word though. A good friend of mine was here and he said well, I am a manic depressive. I felt inclined to tell him that I am in fact, also bipolar, but was too skeptical that he was just throwing that word out there. He probably is actually bipolar and it was probably just in my head, but still, I was too afraid to admit my illness to him in fear of judgement.
As for your doctor, that is ridiculous and I'm sorry that happened to you!