If they are hiding it, that means there is something there that they don’t want the public to know. Perhaps meetings with his handlers?
Im old enough the remember the pearl clutching over the fakenews(tm) 6 hour gap in Trumps Jan 6 WH phone logs.... that they managed to fill in eventually.
Unless they destroy them immediately or just don’t record the information in the first place.
And I’m sure after the Clinton reign of terror, the SS knows to not talk if they want to live a long and healthy life.
perhaps he is meeting with his keeper, the devil