@szlamany: I stopped using MSE long time ago. I agree with your logic of knocking someone down. But that "Knocking Down" doesn't need to be harsh/impolite. You can do that with politeness as well

@funkyDexter: Just saw your edit. Yup THAT is indeed a good article. So we can actually mention that in our comments rather than just keeping it in our signatures and hoping that the user will read it.