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.
A more objective viewpoint is directly available from the US copyright office at https://www.copyright.gov/press-media-info/press-updates.htm... - see the entry with the title "May 22, 2019: Questions about Certain Bitcoin Registrations".
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.