Most NFTs do not hash media themselves; instead, they hash a link to the media that only exists as long as it is hosted. I'd imagine the zero hashes are links that are already dead.
Given the authors deleting of tickets on the matter it stands to reason that he didn't want to actually go through the trouble of pulling all images and is kind of being a fraud.
Of course, given enough unreasonably scepticism someone might instead intuit that 18.99 TB of 19TB of data has disappeared.
Of course, given enough unreasonably scepticism someone might instead intuit that 18.99 TB of 19TB of data has disappeared.