how you teach manners
You can't teach a corporation manners. If you are going to talk about corporations as if they are people (and legally they want us to treat them as people) then you have to face that they are, technically speaking, artificial psychopaths (incapacity to experience guilt, failure to conform to social norms and respect the law, reckless disregard for the safety of others, deceitfulness in pursuit of profit, etc). Very powerful, immortal, artificial psychopaths.