I hope the manager is fored for his actions. That does not change my opinion of this truckers actions. Unless he was in possession of that internal communication he was being a jack wagon.
I understand that but I'm a Texan and we would call that the mildest form of a 'good old boy' taking needed action, harmless.
Corporate pointedly praised him in that quote in post 68.
My guess is that he may have read the situation with that anti-American manager over time, and that is what led to this action.