MSM outlets don't want to make the same mistake they did in October 2016 of running a lot of bad press for the Dem candidate. Back then it was Comey reopening an investigation into Hillary's emails, resulting in lots of TV coverage associating Clinton with criminality just before the election. That might have flipped a state or two. They learned their lesson and now they have to completely bury any Hunter Biden story. They can just focus on Barrett instead.
Dorsey has realized that the ridiculous censorship of the New York Post is a Streisand effect disaster. I don't know about Zuck. How far it spreads probably depends on what else Giuliani or the NYP has on the magic laptop. It looks like they want to drip whatever they have out gradually. As for "breaking through" to TDS sufferers, that ain't happening. Millions of them have already voted too.