These are interesting scenarios, but let's not forget that the rules are only binding under the threat of being caught and punished. They aren't like the laws of physics. So if a lawyer isn't supposed to engage in trickery, they might do so anyway, especially if they think they can get away with it and their client happens to be a rich criminal who pays them extra to do shady stuff.
Source: Lawyers wouldn't have the reputation they do if all the members of the club had integrity.
Source: Lawyers wouldn't have the reputation they do if all the members of the club had integrity.