Actually that is what is known as a red herring argument. Bringing up something unrelated saying that the original argument is invalidated because the same reas

Actually that is what is known as a red herring argument. Bringing up something unrelated saying that the original argument is invalidated because the same reasoning wasn’t applied to it is a common informal fallacy. Most legal documents have something related to severability which states that even if one part of the document is found to be unreasonable/illegal/illogical, it does not invalidate the rest of the document.