Currently, "classification" can be used for political purposes. But an AI would be smarter? It’s tricky determining how sensitive intelligence information really is, and how it should be classified: whether it should be secret, top secret, and so on. It’s something machines can’t quite do yet considering they have no real understanding of human text.
“The tool will require the user to ultimately define a security classification marking but might offer suggestions based upon dirty words or internal classification markings,” the Pentagon officials wrote in their requirements, describing some kind of Microsoft Word Clippy assistant but for intelligence analysts.
https://www.theregister.co.uk/2018/07/11/us_military_ai_snowden/https://www.theregister.co.uk/2018/07/10/irs_ai_bid/