Actually, I did upvote your comment. After doing some research and looking into his blog, I realized that I though that things that he describes that appear in

Actually, I did upvote your comment. After doing some research and looking into his blog, I realized that I though that things that he describes that appear in previous works give the impression that they are his ideas. The posts are great and a fantastic source of information, very valuable by themselves. I don't understand why wouldn't he just be more clear about the credit to others.