You are right, of course, but how we see ourselves and what we call ourselves reveals so much about us. My only point has been to use it within your professional culture, not outside of it.
Why does it slightly vex me? Only very recently did I find out she was NOT a medical professional, and like Whoopi, I assumed she was. She has been saying, "Joe is okay and healthy," any reasonable person would assume she was a medical professional from those statements. I have never said she did not deserve it nor that the universities should not award it, or that medical doctors had a doctorate. I stated CLEARLY MBBS is a double bachelor's degree in the UK.