The author has done more to promote gun rights than you have. Much more. You haven't made any effort to find out who he is. If you don't know his name, and maybe a few others like Alan Gura, Gary Kleck, David Hardy, Joyce Malcom and Dave Kopel, then you really haven't been paying attention. You may or may not agree with his position, but calling him a blue-blood is just guessing on your part. And you guessed wrong. If your could bother to inform yourself here's a couple of links.
His blog.
Link to one of his many books at Amazon.