I've just noticed that, to the end of my dinosaur post, I attached a :). That's OK then. I can be as derogatory as I like about the institution in which I minister. :) makes everything alright. :) is the new "with all due respect". I used to eagerly await those words emerging in meetings. As soon as someone said: "with all due respect", you knew an insult was coming. In text speak, the :) serves the same purpose. It makes insults OK.
I have, on occasion, been told that my smile gets me out of all sorts of hot water. But don't you know folk whose smiles hide shark's teeth?
So it is with the :). Merely masking the venom. I really must monitor my usage more carefully. :)