Less impact publicly. A lot of the press reportedly leave early for the weekend on Friday. Less initial news stories about it to amplify.
https://www.foxnews.com/media/document-dump-and-friday-news-dump-what-it-means-and-why-its-done
This is about the DOJ responding to the Trump's lawyers filing a recusal request to the judge. Some were anxious that Trump talked about the judge recusing but hadn't officially submitted it. Well, he did.