The interroBANG has a lot of fun and joy attached that deserves consideration of our use of written language needing some help with subtle notes. In a society so full of visible media where you can hear what--for example--the interroBANG inserts in meaning it is good to think about the difficulty of imparting that level of 'ooooomph!' with printed words alone.

Disdain and incredulity are difficult to imply. They are frequently expressed in words that are intentionally opposite to literal meaning, as in, "And pigs can fly."

Putting helpful 'new' entrants into a font shelf would be difficult or impossible in digital terms but we have learned to use Dingbats where the case is still blessed with a couple of empty boxes.