Dont underestimate the importance of "inauthentic fluff" -- such is the basis of courtesy and grace. I think dropping the fluff because is seems inauthentic (whatever that means) is THE basic social interaction mistake made by programmers and other math-y people.
I'm not arguing against having manners, I'm just saying that they're not enough. You can't say something rude and then make it all better with a token "please" or "thank you".
