“I agree that both were the man and woman were both guilty, but she was still subject o the penalty.”
So was the man. Why didn’t they drag him out to Jesus?
Jesus didn’t break the Law of Moses, they did. First, they failed to drag the man out to face judgment. Second, when He told them to stone her if they had not sinned, they failed to do so.
The story highlights the hypocrisy of those who were trying to trap Jesus on a point of the Law while missing the bigger point.
Where does the law say you can only provide the punishment if you have not sinned?