The Buzzfeed article has an excerpt from the memo, as follows: "Starting immediately and until further notice, ARS will not release any public-facing documents

The Buzzfeed article has an excerpt from the memo, as follows: "Starting immediately and until further notice, ARS will not release any public-facing documents. This includes, but is not limited to, news releases, photos, fact sheets, news feeds, and social media content." It's been reversed, but yes, that's a ban on sharing research.