I believe the story is true; otherwise, why would he spend so much time here detailing it? However, most of the posters in this group were addressing his bad attitude.
As for the manager, maybe she is a coward because she just does not like him for one reason or another and cannot address it in a face to face meeting. He may or may not be displaying a bad attitude at work. If so, then it is probably not nearly as bad as indicated by his written words in this group. However, perhaps his manager recognizes the bad attitude and does not like him.
You know it's going to be a bad day when your horn goes off accidently and
remains stuck as you follow a group of Hell's Angels on the freeway.