I'm not offended, I just felt the discussion was taking an unnecessary turn towards the unproductive side, about a point that is simply not worth the effort we

I'm not offended, I just felt the discussion was taking an unnecessary turn towards the unproductive side, about a point that is simply not worth the effort we both have so far unwisely invested into this exchange ;-) I do believe "weasel words" are important, not only because stating personal opinion as fact is impolite, but mainly because it can be vital for the structure of an argument to distinguish possibilities, speculation, belief, theory, and factual data.