My least favourite was my company motto of "Personal, Simple, Brilliant." It was supposed to be an ethos that ran through the whole company. It was actually just what management expected front line workers to be towards customers, regardless of whether the business leaders were making decisions to screw over the customer and the front line staff or not.

The amount of times I asked for support only to be shot down and laughed at when I told them "Well, that doesn't sound very personal, simple or brilliant to me." when speaking of their management culture.