Course Profile.
Your public profile gives no clue as to your competence to comment on this forum. Perhaps you should read some of the threads which involve banter in the RAF. You can do that from home.
Perhaps the following explains banter. One of my colleagues, heavily ex-RAF and flying a bizjet based in Mexico, was asked by one of his co-workers, "Why are you so nasty to Pedro?" His answer was that it was because they LIKED Pedro.