What does 'Le sigh.' mean? And I never mentioned 'not citing concrete examples.', if your confused about the ask, I'll repost it: "can you write a credible arg

What does 'Le sigh.' mean? And I never mentioned 'not citing concrete examples.', if your confused about the ask, I'll repost it: "can you write a credible argument based on known case-law/precedent/etc... " i.e. Can you write down the actual argument that you propose to advance?