...is frowned upon by the regulators
Alas, most of these neddies couldn't properly regulate even their bowel movements. If indeed they are concerned, they should instead concentrate on matters of more importance and ignore such such trivia. The important thing is what prefix is used on the R/T and as long as it's "Information" for FISOs and "Radio" for Air/Ground operators and this is what I hear when I'm flying, they can call themselves "Cynthia Payne" on the telephone for all I care...