I get there are different types of Dr.s and not all are Medical Doctors. People that have earned PhDs deserve the title of Doctor as much as any MD does. That said the words that I used are important! EARNED is a key word here. An honorary doctorate does not constitute using the term Doctor in your name. Years ago my father in law was High Sheriff of the state. He made me an honorary sheriff. That did not make me a credentialed law enforcement officer and I couldnt identify myself as a sheriff! Honorary degrees are given out constantly. You want so and so to speak at your commencement , drop an honorary degree on them. Using the title of Dr is not the same as someone from the UK being knighted. The English may love it and still use the title but everyone knows it doesnt mean convey a special qualification.
It is very important, the term Doctor indicates an advanced degree earned through advanced study resulting in a qualification in a specific field. An honorarium does not constitute the same level and indicates no actual qualification.
Chris