Your observation about the missing half of adultery is spot on. It always bugged me that if they caught her in flagrante, where's the guy. On a different note -- the questions you ask in the second to last part are the very reason why I disagreed with your treatment of Dorn. Also, is this a low key hint at substitutionary atonement? If so, I won't outright say that it's bogus, but you may consider the following:

https://senderspike.medium.com/wounded-because-of-our-sins-37a177ae5903