I'm just guessing but it might have to do with the concerns raised by the first commenter in the reply by textfiles (Jason Scott) in that reddit thread tl;dr s

I'm just guessing but it might have to do with the concerns raised by the first commenter in the reply by textfiles (Jason Scott) in that reddit thread tl;dr seems to be they received a massive (71,000 tapes) archive that hasn't seen any activity or communication in 7 years. If you read further in the thread, you'll also find other concerns about Jason's reliability