Sub news; new AI policy

We have added a new rule to our "removal reasons" stating AI generated content is subject to removal. This applies to video posts, text posts and replies/comments. AI can be a useful tool to aggregate information but the mission of this sub is noise reduction related to the UFO topic. We realize this might result in accidental removal of some content that is not AI generated but given the influx of AI posts and comments we are getting we believe it is worth the trade off.