They were most likely referring to the leaked DB from the last hack. As hilariousandco said, it was most likely a scammer who is praying on the unethical and greedy who does not have what they claim to be selling.
That is reassuring.
Do you believe everything you read or hear? Just a scammer.
No, that is why I want to make sure about the situation. You can't be sure in cases like this. That hacker post looked pretty convincing. Thank you for clarifying this for us.