Uh, he obviously wasnt paying enough attention to his background. I agree with those blinds needing orange on them. I have one, and if you brush it in a bit, and have some brush or bushes behind it, you cannot see it from a distance at all. I would never use my blind unless everyone who hunts the same piece of property knew exactly where it was, and I had some faith in those hunting there. Even then, I get a little nervous about other hunters when Im in my blind. They make blaze orange roof covers for those blinds, I personally think each and every blind should have to have one with it. The choice to use it would be yours, but they should not be an accessory. Its just like the safety harnesses that come with every treestand anymore.
I always put a couple of blaze vests on mine when I am in it so that others can see it easily. Even then, I get a little nervous at times.