If we're afraid that AI will replace lawyers, they will replace human resources way earlier than that. Human resources are really poor quality internal lawyers that also do some data entry.
AI will never replace lawyers, in fact AI might be massive boon to lawyers. Now they can write even more complex contracts and legal documents with the help of AI. Then you will have to hire more lawyers to pour over the new 5x as long document and bicker and negotiate changes to it. If AI replaces anything it might be legal assistants.
