It's a sad fact that what we have here is one of the last great CRM failings of the industry.Every airline has at least one of these pratish characters.Everybody including the management knows who they are.They are very often trainers.A culture develops that "he's not that bad once you get to know him" or "as long as you do things his way he's alright". They become a crewing nightmare as people refuse to fly with them or take sickies.Every now and then they have tea and bickies with the boss and are given a wee half arsed warning.They then revert to type.Meanwhile perfectly good pilots have their careers set back for years and suffer the financial penalty
We are guilty as a group of condoning this as the norm and I cringe when I hear guys apologising for these twits(who are invariably higher payed,older and uglier than them).
Here is the long and short of it.
They are almost always old mates of the boss and at the end of the day, it's just too awkward for him to sack the pilock.Simple as that.