Pro tip: light that cigar with a flame thrower and use ChatGPT Work to create and update Word docs. Never open it again! It’s good at formatting tables, moving images around without the entire document exploding into shards, redlines and comments!
The first year that commercial LLMs became available, a lawyer could plausibly claim they didn't know any better that an LLM would fuck things up. Now, it's an automatic sanction. In CA, the minimum penalty is $5000. Risking your license and having a black mark that all future employers will see isn't worth the few minutes you'll save degrading your skills by outsourcing your work to a black box.
Is that the case? As an officer of the court, lawyers have a duty to be truthful. Putting forth an argument you didn't even read would seem to be abdicating that duty regardless of the novelty of the tool.