Bare and Bear. If you can't bare it, great, I don't want to see it!
As for correcting people being patronising or the idea being more important, I do rather feel that it is quite important to have the right tools for the job, it is easier to share an idea quickly if you are able to use the right grammar and express yourself in a manner that is clear and comprehensible. Having said that, it's not always the fault of the poster, particularly in England where education went through a 'radical' period in the seventies and decided it was more important that the children express themselves than learn grammar. Again, right tools for the job. Somebody with some common sense realised that was necessary and they started teaching grammar again.
I would not correct anyone in distress, but yep, I get snarky with some troll types.