Today's XKCD is really about pragmatics, I think, given that ‘constructive and helpful’ is a pretty good synonym for ‘relevant’.
There are a lot of other XKCDs that are really about pragmatics. One day I'll post a list.
People are beginning to believe now. I think the drop flight two weeks ago, which went beautifully, I think it made people sit up and realize this is really reality.