Because he is not a reliable source. He has accused the CBO of not doing something that it is not allowed to do. Because he is not neutral either because he is an active Republican politician these days. Both these dent is credentials as a neutral expert. And it is stupid speculation because he has not even given a reason for believing what he said he thinks will happen. Its just another load of bollox that you keep adding to this article which is way way too long. It should only be a couple of pages long.