What has AI given us so far that would hint that 7 trillion would ever pay off for humanity? AI seems neat so far but it's not much above a chatbot that gives

What has AI given us so far that would hint that 7 trillion would ever pay off for humanity? AI seems neat so far but it's not much above a chatbot that gives me info I could find with google. It can make lots of strange images and the hands are getting better. Am I being overly pessimistic? I think people that use it for coding help are overly optimistic about it because it is awesome at that.