“What a pain. It takes so much time to make a short tweet, and I have so much to say.” ~ every person who represents a brand online since 2006.
Going strictly by anecdata, let’s accept as true that many people like to hear themselves talk. Why say something in 10 words when you can break out the thesaurus and say it in 4 pages? That advanced degree or extended training program isn’t going to pay for itself. In general, it makes people feel better to validate the time they spent learning by sounding smart and taking an extra hour of [someone else’s] time to reach a clarity of message and brand voice.