> If a speaker withholds useful input because he/she perceives it would be impolite, or taken as impolite, that impedes IETF's goals. > If people suppress useful input because they perceive it as impolite, that also impedes IETF's goals. > If an audience discredits useful input because he/she perceives it as impolite, that also impedes IETF's goals. Have you seen evidence of that happening? I haven't. I have seen things go the other way and people trying to excuse needless impoliteness because that's the best way to get a frank exchange of views. Baloney. There are multiple aspects to consider in getting a frank exchange of views, and working to include everyone is my preference.