Sure, "Dershowitz is in touch with the rules of evidence and procedure used in law courts," but if you know anything about Dershowitz's career, you know that he never met a criminal he didn't like. He uses his expertise to deny justice at every turn, including getting many murderers off the hook, including OJ Simpson. It's a sure bet that if you are reduced to having Alen Dershowitz defend you, it can only be because you're guilty. And the only reason he defends Trump is because he knows Trump is guilty.