no - some Judge wrote to his family member recently.. " I am seeing all these great briefs now " followed by a novice discussion of AI use. This is anecdotal (recent), but it says to me that non-lawyers, with care, are writing their own legal papers across the USA and doing it well. This fits with other anecdotes here in coastal California for ordinary law uses.
In what year would you think it will be acceptable and why?
LLMs are tools, I don't see anything wrong with using them in any occupation as long as the user is aware of the limitations.