Rich:
Very good points.
My suggestion was more based on people who did not have the qualifications or experience passing themselves off as test pilots or flight test engineers - how do we make sure that the users of flight test people know that they are getting at least some sort of qualification?
Some sort of exam or board should be able to do this - at least one would think it was possible. Doctors have some sort of process (although they may not be a good role model...)
But we have regular demonstrations of people who say they are qualified and patently are not. What can we do about it?