If you can build a machine that understands humans then how could it be of any benefit to humans?
We all want to build a super-intelligent machine, but why do we want to build it in the first place? If you want answers to your questions you could ask it to any human. Why would you bother asking it to an AI. Maybe there could be some questions that humans can’t answer. Or, maybe there are certain questions that you can’t ask another human.