How could it be that versions of MacOS released in 2019 have the paper due to a court case from 2021? Even ignoring the temporal issue I really can't see any plausible connection.
That explains the temporal issue. Then, for the connection, I remember a lot of people on the internet reacted negatively on that news given that they don't agree that he should have ownership for that document as he never proved to be satoshi. I could see Apple or an employee inject that document in a way to "challenge" or "protest".
The quoted CoinGeek site is owned by Calvin Ayre who works together with Craig Wright. All their BSV related articles are very one-sided and extremely biased.
Basically he registered a copyright, but this does not mean that he "got" the copyright, as the copyright office does not verify authorship and as it's possible for multiple adverse claims to exist.
