I wonder how bitcoin will look in the aftermath of other technological novelties. Usually, these things start off as a niche novelty of an insular crowd, then savy people take part, then it goes mainstream and the influx of traffic forces regulation and more overhead due to demand. The drivers of the technology leave, then there's a slow burnout time where people try to maintain the appearence that the tech isn't dying.
"with deep knowledge about interesting topic," is significant. It's funny how the trumple generation loves to ommit words. 'You know what I meant!' 'I know what you mean! '
The author links the term violent speech to speech that induces stress, thus creates a physical and mental toll on the organism. The term has a huge room for abuse compared to, what you described, insighting violence. Insighting violence at least coneys the spirit of invoking people to commit violent acts. Violent speech in itself is violence against me because the room for its abuse stressed me out.