I think you are missing the grandparent's point. It is easy(-ish) to get some structured data and turn it into sentence format. Unless you have structured data

I think you are missing the grandparent's point. It is easy(-ish) to get some structured data and turn it into sentence format. Unless you have structured data that represents all human experience someone present at an event could muster (smell, sound, emotional feeling...) I don't see how a robot could replace it.