That’s not quite true. The specific lawsuit from which these documents originate (related to ad tech) was filed by Republican states but the Justice Department’

That’s not quite true. The specific lawsuit from which these documents originate (related to ad tech) was filed by Republican states but the Justice Department’s antitrust division, led by a Biden appointment attorney, is involved and is preparing a second lawsuit. One of Biden’s stated goals is to tighten antitrust violations in tech. There is also the other antitrust lawsuit related to the Playstore that were filed by blue and red states.