I find much to agree with in your comment, and little to disagree with. I think we agree that anonymity warps reputation. Your response that many such warps exist and must be compensated for (e.g. with courts) is well-taken. But I would simply argue that, all things being equal, less warping is a Good Thing that's worth striving for.
update: Forgot to say: Yes, it was just profanity, that's all. OTOH, I realize that community standards differ, and so I didn't want to mix the two issues in one thread. OTGH, I agree also with you that profanity isn't always trolling and shouldn't be automatic borg bait.
-- Chip Salzenberg, Free-Floating Agent of Chaos