I also dislike his self-promotion, but his work _is_ well know and, as far as I know, well looked upon. I think he has more expertise and knowledge in this area than most (including what you'd find in the news).
Ahh, thanks, that explains things a little more. I wasn't familiar with the author, and his tweet just read like one of those people on Linkedin who regurgitates knowledge and passes it off as their own insight.