I can't stand when you're expected to wrap every sentence in some sugar coated fake 'niceness' just to not step on somebody's toes. If I have a certain way of expressing myself... Well that's how it is.
You shouldn't sell yourself short. Changing the way you communicate is a huge but worthwhile challenge.
In a different time, I would have been mean to you over your comment instead of offering supportive words. It took as much effort to be nice as it used to take to be mean.
'Hey, great that you took the time to contribute, here are a few suggestions though.'
I am talking about things like: 'If you think xyz, then you are a fucking moron'.