Yes, it’s the Big Boys or Big Girls Club. It’s very common to have ‘bad eggs’ in management but they are hard to eliminate. If you are one of the minions & you make a complaint about a manager, it’s almost guaranteed they will make life difficult for you.
Temp workers & administration staff are the first to go in any organization, they are the most dispensable. A rotten egg can stay at the top for years because they have their fellow ‘club members’ to protect them.