Because the importance of this is all about perspective. It wasn't like these systems created this information out of thin air. They were trained on something. That means the answers they are giving you have been available for decades. You just needed the know-how to find that information and synthesize the answers yourself. To many of us, it's like going from the old physical card catalogs to a modern digital system that would have seemed like sci-fi to a prior generation too. It's definitely more efficient and easier to use, but people acting like it's revolutionary seem to be suggesting that the old system didn't exist or wasn't usable with a little effort.