And more importantly, the things it does wholly own, it very rarely knows, legally, that it does wholly own, as the records aren't reliable. So it would involve a vast amount of legal time and risk to investigate.
It would be awesome if blockchain could solve the issue of rights management at the scale of media content. Tracking ownership of the individual parts (script, logos, video, etc) as well as the transfer of ownership of those parts.
No it doesn't. The BBC wholly owns virtually nothing.
http://webarchive.nationalarchives.gov.uk/20140603125500/htt...
http://www.bbc.co.uk/archive/contributor_rights.shtml?chapte...
https://www.theguardian.com/law/2010/nov/25/bbc-archive-onli...
And more importantly, the things it does wholly own, it very rarely knows, legally, that it does wholly own, as the records aren't reliable. So it would involve a vast amount of legal time and risk to investigate.