Because they think they can control the narrative on the subject if they release the info. They set themselves up as the gate keeper and the arbiter of truth by releasing the info we have known for over a year... It also gives them control of the sacrificial scapegoat story, they wouldn't throw someone under the bus, especially the COVID goldenboy unless they were protecting someone else higher up. Now they can dump it all on Fauci and tell us dont look over here at the others that did it, the audit, the governors going down. Trying to light a smaller fire closer to people to distract from the shit storms to come