It uses the common for new and short-lived services (but, IIRC, not generally effective -- but don't trust me, see an actual lawyer) technique of using marketing language selling it in terms which describe legal advice, but then including a small print disclaimer at the bottom of the extremely long page saying that the analysis provided should not be treated as legal advice.

GPT-4 is not a person. Only persons can be held liable. Problem solved.

Then again if the guild who entrenched this law starves for some years the law might go away..